Brunswick (BC) 10-Q 2 Aug 21 2021 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jul. 03, 2021	Jul. 29, 2021
Entity Information Line Items [Abstract]
Entity File Number	001-01043
Amendment Flag	false
Document Type	10-Q
Document Period End Date	Jul. 3, 2021
Entity Registrant Name	Brunswick Corporation
Entity Address, Address Line One	26125 N. Riverwoods Blvd., Suite 500
Entity Address, City or Town	Mettawa
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60045-3420
City Area Code	847
Local Phone Number	735-4700
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		77,499,307
Entity Incorporation, State or Country Code	DE
Entity Central Index Key	0000014930
Entity Tax Identification Number	36-0848180
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Document Quarterly Report	true
Document Transition Report	false
NEW YORK STOCK EXCHANGE, INC. [Member] | Common Stock [Member]
Entity Information [Line Items]
Security Exchange Name	NYSE
Title of 12(b) Security	Common stock, par value $0.75 per share
Trading Symbol	BC
NEW YORK STOCK EXCHANGE, INC. [Member] | 6.500% Senior Notes due 2048 [Member]
Entity Information [Line Items]
Security Exchange Name	NYSE
Title of 12(b) Security	6.500% Senior Notes due 2048
Trading Symbol	BC-A
NEW YORK STOCK EXCHANGE, INC. [Member] | 6.625% Senior Notes due 2049 [Member]
Entity Information [Line Items]
Security Exchange Name	NYSE
Title of 12(b) Security	6.625% Senior Notes due 2049
Trading Symbol	BC-B
NEW YORK STOCK EXCHANGE, INC. [Member] | 6.375% Senior Notes due 2049 [Member]
Entity Information [Line Items]
Security Exchange Name	NYSE
Title of 12(b) Security	6.375% Senior Notes due 2049
Trading Symbol	BC-C
CHICAGO STOCK EXCHANGE, INC [Member] | Common Stock [Member]
Entity Information [Line Items]
Security Exchange Name	CHX
Title of 12(b) Security	Common stock, par value $0.75 per share
Trading Symbol	BC

Condensed Consolidated Statemen

Condensed Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Income Statement [Abstract]
Net Sales	$ 1,554.8	$ 987.8	$ 2,988	$ 1,953.3
Cost of Sales	1,093.3	731.8	2,109.2	1,453.5
Selling, General and Administrative Expense	173.6	119.2	324.4	230.5
Research and Development Expense	37.5	27.7	71.6	56.6
Restructuring, Exit and Impairment Charges	0.2	2.1	0.7	2.5
Operating Earnings	250.2	107	482.1	210.2
Equity Earnings	0.4	1.1	1.2	2.9
Other Income (Expense), Net	(1.5)	(0.9)	(2.8)	(0.2)
Earnings Before Interest and Income Taxes	249.1	107.2	480.5	212.9
Interest Expense	(15.4)	(18.7)	(30.2)	(35.6)
Interest Income	0.9	0.3	1.1	0.6
Earnings Before Income Taxes	234.6	88.8	451.4	177.9
Income Tax Provision	55.2	17.6	102.6	36
Net Earnings from Continuing Operations	179.4	71.2	348.8	141.9
Discontinued operations:
Loss from Discontinued Operations, Net of Tax	0	(0.5)	(0.1)	(1.1)
Loss on Disposal of Discontinued Operations, Net of Tax	0	0	0	(1.1)
Net Loss From Discontinued Operations, Net of Tax	0	(0.5)	(0.1)	(2.2)
Net Earnings (Loss)	$ 179.4	$ 70.7	$ 348.7	$ 139.7
Basic
Earnings from Continuing Operations	$ 2.30	$ 0.89	$ 4.47	$ 1.78
Loss from Discontinued Operations	0	0	0	(0.03)
Net Earnings (Loss)	2.30	0.89	4.47	1.75
Diluted
Earnings from Continuing Operations	2.29	0.89	4.44	1.77
Loss from Discontinued Operations	0	0	0	(0.02)
Net Earnings (Loss)	$ 2.29	$ 0.89	$ 4.44	$ 1.75
Weighted Average Shares Used for Computation of [Abstract]
Basic Earnings (Loss) Per Common Share	78	79.6	78	79.8
Diluted Earnings (Loss) per Common Share	78.5	79.8	78.6	80
Comprehensive Income (loss)	$ 184	$ 71.4	$ 358.9	$ 132.5

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) shares in Thousands	Jul. 03, 2021	Dec. 31, 2020	Jun. 27, 2020
Current Assets
Cash and Cash Equivalents, at Cost, Which Approximates Fair Value	$ 590,200,000	$ 519,600,000	$ 541,500,000
Restricted cash	9,700,000	10,700,000	11,600,000
Short-Term Investments in Marketable Securities	800,000	56,700,000	800,000
Total Cash and Short-Term Investments in Marketable Securities	600,700,000	587,000,000	553,900,000
Accounts and Notes Receivable, less Allowances of $12.0, $8.5 and $8.1	503,300,000	337,600,000	452,600,000
Inventories
Finished Goods	468,600,000	446,800,000	411,500,000
Work-In-Process	147,600,000	94,000,000	99,300,000
Raw Materials	218,900,000	171,000,000	166,100,000
Net Inventories	835,100,000	711,800,000	676,900,000
Prepaid Expenses and Other	48,900,000	34,100,000	30,700,000
Current Assets	1,988,000,000	1,670,500,000	1,714,100,000
Property
Land	17,600,000	17,700,000	17,800,000
Buildings and Improvements	446,800,000	435,500,000	423,000,000
Equipment	1,244,400,000	1,184,900,000	1,124,500,000
Total Land, Buildings and Improvements and Equipment	1,708,800,000	1,638,100,000	1,565,300,000
Accumulated Depreciation	(964,500,000)	(929,800,000)	(895,400,000)
Net Land, Buildings and Improvements and Equipment	744,300,000	708,300,000	669,900,000
Unamortized Product Tooling Costs	167,700,000	155,300,000	145,500,000
Net Property	912,000,000	863,600,000	815,400,000
Other Assets
Goodwill	434,300,000	417,700,000	415,400,000
Other Intangibles, Net	536,300,000	552,300,000	567,100,000
Operating Lease Assets	85,900,000	83,000,000	81,900,000
Deferred Income Tax Asset	117,200,000	136,600,000	102,900,000
Equity Investments	41,400,000	32,500,000	29,400,000
Other Long-Term Assets	23,400,000	14,400,000	12,900,000
Other Assets	1,238,500,000	1,236,500,000	1,209,600,000
Total Assets	4,138,500,000	3,770,600,000	3,739,100,000
Current Liabilities
Short-Term Debt and Current Maturities of Long-Term Debt	43,500,000	43,100,000	225,300,000
Accounts Payable	588,200,000	457,600,000	328,300,000
Accrued Expenses	619,600,000	578,500,000	501,000,000
Current Liabilities	1,251,300,000	1,079,200,000	1,054,600,000
Long-Term Liabilities
Debt	832,000,000	908,300,000	1,060,400,000
Operating Lease Liabilities	69,500,000	69,800,000	69,000,000
Postretirement Benefits	71,900,000	74,700,000	71,800,000
Other	144,300,000	128,600,000	118,900,000
Long-Term Liabilities	1,117,700,000	1,181,400,000	1,320,100,000
Shareholders' equity
Common Stock; Authorized: 200,000,000 Shares, $0.75 Par Value; Issued: 102,538,000 Shares; Outstanding: 79,114,000, 79,569,000 and 87,063,000 Shares	76,900,000	76,900,000	76,900,000
Additional Paid-In Capital	380,100,000	383,800,000	366,500,000
Retained Earnings	2,527,200,000	2,225,700,000	2,032,800,000
Treasury Stock, at Cost: 23,424,000, 22,969,000 and 15,475,000 Shares	(1,182,200,000)	(1,133,700,000)	(1,051,200,000)
Accumulated Other Comprehensive Loss	(32,500,000)	(42,700,000)	(60,600,000)
Shareholders' Equity	1,769,500,000	1,510,000,000	1,364,400,000
Total Liabilities and Shareholders' Equity	$ 4,138,500,000	$ 3,770,600,000	$ 3,739,100,000
Common Stock, Shares Authorized (in Shares)	200,000	200,000	200,000
Common Stock, Par Value (in Dollars per Share)	$ 0.75	$ 0.75	$ 0.75
Common Stock, Shares Issued (in Shares)	102,538	102,538	102,538
Accounts and Notes Receivable, Allowances	$ 10,300,000	$ 10,700,000	$ 12,100,000
Common Stock, Shares Outstanding (in Shares)	77,554	77,875	79,135
Treasury Stock, Shares (in Shares)	24,984	24,663	23,403

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions	Jul. 03, 2021	Dec. 31, 2020	Jun. 27, 2020
Current Assets
Accounts and Notes Receivable, Allowances	$ 10.3	$ 10.7	$ 12.1
Shareholders' equity
Common Stock, Shares Authorized (in Shares)	200,000	200,000	200,000
Common Stock, Par Value (in Dollars per Share)	$ 0.75	$ 0.75	$ 0.75
Common Stock, Shares Issued (in Shares)	102,538	102,538	102,538
Common Stock, Shares Outstanding (in Shares)	77,554	77,875	79,135
Treasury Stock, Shares (in Shares)	24,984	24,663	23,403

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020
Cash Flows from Operating Activities
Net Earnings (Loss)	$ 348,700,000	$ 139,700,000
Less: Net loss from Discontinued Operations, Net of Tax	(100,000)	(2,200,000)
Net Earnings from Continuing Operations, net of tax	348,800,000	141,900,000
Stock Compensation Expense	14,800,000	8,800,000
Depreciation and Amortization	84,600,000	72,200,000
Pension Expense, Net of (Funding)	(1,300,000)	(2,500,000)
Gain (Loss) on Sale of Assets and Asset Impairment Charges	800,000	0
Deferred Income Taxes	12,300,000	15,600,000
Changes in Certain Current Assets and Current Liabilities	(136,500,000)	(38,600,000)
Long-Term Extended Warranty Contracts and Other Deferred Revenue	9,000,000	6,100,000
Income Taxes	10,000,000	7,000,000
Other, net	8,000,000	5,200,000
Net Cash used by Operating Activities of Continuing Operations	350,500,000	215,700,000
Net Cash Provided by (Used for) Operating Activities of Discontinued Operations	(9,100,000)	900,000
Net Cash used for Operating Activities	341,400,000	216,600,000
Proceeds from Sale, Maturity and Collection of Investments [Abstract]
Capital Expenditures	(110,300,000)	(90,700,000)
Proceeds from Sale and Maturity of Marketable Securities	55,900,000	0
Investments	(9,100,000)	(1,100,000)
Payments to Acquire Businesses and Interest in Affiliates	(16,700,000)	0
Proceeds from the Sale of Property, Plant and Equipment	4,600,000	1,600,000
Net Cash Used for Investing Activities	(75,600,000)	(90,200,000)
Cash Flows from Financing Activities
Proceeds From Issuances of Short-Term Debt	0	610,000,000
Payments of Short-Term Debt	0	(425,000,000)
Net Proceeds from Issuances of Long-Term Debt	1,900,000	0
Payments of Long-Term Debt Including Current Maturities	(78,500,000)	(9,400,000)
Common Stock Repurchases	(55,900,000)	(34,100,000)
Cash Dividends Paid	(47,200,000)	(38,200,000)
Proceeds from Share-Based Compensation Activity	500,000	600,000
Tax Withholding Associated with Shares Issued for Share-Based Compensation	(12,800,000)	(6,700,000)
Other, net	(3,700,000)	0
Net Cash Provided by Financing Activities	(195,700,000)	97,200,000
Effect of Exchange Rate Changes	(500,000)	(2,400,000)
Net Increase (Decrease) in Cash and Cash Equivalents and Restricted Cash	69,600,000	221,200,000
Cash and Cash Equivalents and Restricted Cash at Beginning of Period	530,300,000	331,900,000
Cash and Cash Equivalents and Restricted Cash at End of Period	599,900,000	553,100,000
Less: Restricted Cash	9,700,000	11,600,000
Cash and Cash Equivalents at End of Period	$ 590,200,000	$ 541,500,000

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Shareholders' Equity Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance, at Beginning of the Period at Dec. 31, 2019	$ 1,300.9	$ 76.9	$ 369.2	$ 1,931.3	$ (1,023.1)	$ (53.4)
Net Earnings (Loss)	69	0	0	69	0	0
Other Comprehensive Income	(7.9)	0	0	0	0	(7.9)
Dividends	19.2	0	0	19.2	0	0
Compensation Plans and Other	(5)	0	(10.4)	0	5.4	0
Common Stock Repurchases	(34.1)	0	0	0	(34.1)	0
Balance, at End of Period at Mar. 28, 2020	1,303.7	76.9	358.8	1,981.1	(1,051.8)	(61.3)
Balance, at Beginning of the Period at Dec. 31, 2019	1,300.9	76.9	369.2	1,931.3	(1,023.1)	(53.4)
Net Earnings (Loss)	139.7
Other Comprehensive Income	(7.2)
Balance, at End of Period at Jun. 27, 2020	1,364.4	76.9	366.5	2,032.8	(1,051.2)	(60.6)
Balance, at Beginning of the Period at Mar. 28, 2020	1,303.7	76.9	358.8	1,981.1	(1,051.8)	(61.3)
Net Earnings (Loss)	70.7	0	0	70.7	0	0
Other Comprehensive Income	0.7	0	0	0	0	0.7
Dividends	19	0	0	19	0	0
Compensation Plans and Other	8.3	0	7.7	0	0.6	0
Balance, at End of Period at Jun. 27, 2020	1,364.4	76.9	366.5	2,032.8	(1,051.2)	(60.6)
Balance, at Beginning of the Period at Dec. 31, 2020	1,510	76.9	383.8	2,225.7	(1,133.7)	(42.7)
Net Earnings (Loss)	169.3	0	0	169.3	0	0
Other Comprehensive Income	5.6	0	0	0	0	5.6
Dividends	21	0	0	21	0	0
Compensation Plans and Other	(5.4)	0	(12.6)	0	7.2	0
Common Stock Repurchases	(15.9)	0	0	0	(15.9)	0
Balance, at End of Period at Apr. 03, 2021	1,642.6	76.9	371.2	2,374	(1,142.4)	(37.1)
Balance, at Beginning of the Period at Dec. 31, 2020	1,510	76.9	383.8	2,225.7	(1,133.7)	(42.7)
Net Earnings (Loss)	348.7
Other Comprehensive Income	10.2
Balance, at End of Period at Jul. 03, 2021	1,769.5	76.9	380.1	2,527.2	(1,182.2)	(32.5)
Balance, at Beginning of the Period at Apr. 03, 2021	1,642.6	76.9	371.2	2,374	(1,142.4)	(37.1)
Net Earnings (Loss)	179.4	0	0	179.4	0	0
Other Comprehensive Income	4.6	0	0	0	0	4.6
Dividends	26.2	0	0	26.2	0	0
Compensation Plans and Other	9.1	0	8.9	0	0.2	0
Common Stock Repurchases	(40)	0	0	0	(40)	0
Balance, at End of Period at Jul. 03, 2021	$ 1,769.5	$ 76.9	$ 380.1	$ 2,527.2	$ (1,182.2)	$ (32.5)

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Shareholders' Equity Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Jul. 03, 2021	Apr. 03, 2021	Sep. 26, 2020	Jun. 27, 2020
Statement of Stockholders' Equity [Abstract]
Cash Dividends Declared Per Common Share (in Dollars per Share)	$ 0.335	$ 0.27	$ 0.24	$ 0.24

Significant Accounting Policies

Significant Accounting Policies	6 Months Ended
	Jul. 03, 2021
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies Interim Financial Statements. Brunswick's unaudited interim condensed consolidated financial statements have been prepared pursuant to Securities and Exchange Commission (SEC) rules and regulations. Therefore, certain information and disclosures normally included in financial statements and related notes prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) have been condensed or omitted. These financial statements should be read in conjunction with, and have been prepared in conformity with, the accounting principles reflected in the consolidated financial statements and related notes included in Brunswick's 2020 Annual Report on Form 10-K for the year ended December 31, 2020 (the 2020 Form 10-K). These results include, in management's opinion, all normal and recurring adjustments necessary to present fairly Brunswick's financial position, results of operations and cash flows. Due to the seasonality of Brunswick's businesses, the interim results are not necessarily indicative of the results that may be expected for the remainder of the year. The Company maintains its financial records on the basis of a fiscal year ending on December 31, with the fiscal quarters spanning approximately thirteen weeks. The first quarter ends on the Saturday closest to the end of the first thirteen-week period. The second and third quarters are thirteen weeks in duration and the fourth quarter is the remainder of the year. The second quarter of fiscal year 2021 ended on July 3, 2021 and the second quarter of fiscal year 2020 ended on June 27, 2020.

Revenue Recognition (Notes)

Revenue Recognition (Notes)	6 Months Ended
	Jul. 03, 2021
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Text Block]	Revenue Recognition The following table presents the Company's revenue into categories that depict how the nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factors: Three Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Geographic Markets United States $ 404.4 $ 391.7 $ 314.1 $ 1,110.2 $ 224.9 $ 293.8 $ 183.2 $ 701.9 Europe 119.7 69.9 52.5 242.1 69.8 41.9 35.3 147.0 Asia-Pacific 66.6 39.9 7.3 113.8 66.5 24.6 3.2 94.3 Canada 24.1 34.2 66.8 125.1 13.4 19.5 23.7 56.6 Rest-of-World 34.7 13.2 8.4 56.3 20.8 6.7 4.5 32.0 Segment Eliminations (85.6) (7.1) — (92.7) (39.8) (4.2) — (44.0) Total $ 563.9 $ 541.8 $ 449.1 $ 1,554.8 $ 355.6 $ 382.3 $ 249.9 $ 987.8 Six Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Geographic Markets United States $ 825.7 $ 704.0 $ 626.7 $ 2,156.4 $ 515.8 $ 504.7 $ 398.7 $ 1,419.2 Europe 228.7 133.4 94.1 456.2 139.4 84.7 70.4 294.5 Asia-Pacific 132.3 82.4 14.0 228.7 115.8 49.3 8.8 173.9 Canada 49.3 59.6 115.2 224.1 27.5 33.2 55.5 116.2 Rest-of-World 71.3 29.1 18.6 119.0 45.5 16.2 8.0 69.7 Segment Eliminations (180.5) (15.9) — (196.4) (108.9) (11.3) — (120.2) Total $ 1,126.8 $ 992.6 $ 868.6 $ 2,988.0 $ 735.1 $ 676.8 $ 541.4 $ 1,953.3 Three Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Major Product Lines Outboard Engines $ 494.2 $ — $ — $ 494.2 $ 314.3 $ — $ — $ 314.3 Controls, Rigging, and Propellers 96.1 — — 96.1 53.2 — — 53.2 Sterndrive Engines 59.2 — — 59.2 27.9 — — 27.9 Distribution Parts and Accessories — 255.2 — 255.2 — 190.7 — 190.7 Advanced Systems Group — 138.3 — 138.3 — 86.8 — 86.8 Engine Parts and Accessories — 155.4 — 155.4 — 109.0 — 109.0 Aluminum Freshwater Boats — — 190.1 190.1 — — 94.2 94.2 Recreational Fiberglass Boats — — 154.2 154.2 — — 89.6 89.6 Saltwater Fishing Boats — — 93.0 93.0 — — 59.0 59.0 Business Acceleration — — 15.3 15.3 — — 8.3 8.3 Boat Eliminations/Other — — (3.5) (3.5) — — (1.2) (1.2) Segment Eliminations (85.6) (7.1) — (92.7) (39.8) (4.2) — (44.0) Total $ 563.9 $ 541.8 $ 449.1 $ 1,554.8 $ 355.6 $ 382.3 $ 249.9 $ 987.8 Six Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Major Product Lines Outboard Engines $ 998.7 $ — $ — $ 998.7 $ 668.1 $ — $ — $ 668.1 Controls, Rigging, and Propellers 191.0 — — 191.0 110.7 — — 110.7 Sterndrive Engines 117.6 — — 117.6 65.2 — — 65.2 Distribution Parts and Accessories — 455.8 — 455.8 — 312.0 — 312.0 Advanced Systems Group — 273.1 — 273.1 — 189.9 — 189.9 Engine Parts and Accessories — 279.6 — 279.6 — 186.2 — 186.2 Aluminum Freshwater Boats — — 367.9 367.9 — — 214.7 214.7 Recreational Fiberglass Boats — — 289.6 289.6 — — 191.4 191.4 Saltwater Fishing Boats — — 189.8 189.8 — — 118.8 118.8 Business Acceleration — — 28.0 28.0 — — 18.3 18.3 Boat Eliminations/Other — — (6.7) (6.7) — — (1.8) (1.8) Segment Eliminations (180.5) (15.9) — (196.4) (108.9) (11.3) — (120.2) Total $ 1,126.8 $ 992.6 $ 868.6 $ 2,988.0 $ 735.1 $ 676.8 $ 541.4 $ 1,953.3 As of December 31, 2020, $113.0 million of contract liabilities associated with extended warranties and customer deposits were reported in Accrued expenses and Other Long-term liabilities, of which $9.5 million and $21.1 million were recognized as revenue during the three and six months ended July 3, 2021, respectively. As of July 3, 2021, total contract liabilities were $130.5 million. The total amount of the transaction price allocated to unsatisfied performance obligations as of July 3, 2021 was $122.0 million for contracts greater than one year, which primarily relates to extended warranties. The Company expects to recognize $22.4 million of this amount in the second half of 2021, $29.9 million in 2022, and $69.7 million thereafter.

Discontinued Operations (Notes)

Discontinued Operations (Notes)	6 Months Ended
	Jul. 03, 2021
Discontinued Operations and Disposal Groups [Abstract]
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	Discontinued Operations On June 27, 2019, the Company completed the sale of its Fitness business to KPS Capital Partners, LP. As a result, this business, which was previously reported in the Company's Fitness segment, is being reported as discontinued operations in the Condensed Consolidated Statements of Comprehensive Income and Condensed Consolidated Statements of Cash Flows for all periods presented. Refer to Note 3 in the 2020 Form 10-K for further information. In connection with the sale of its Fitness business, the Company retained assets of $26.4 million primarily related to VAT receivables, and retained liabilities of $45.1 million primarily related to VAT payables, product warranty liabilities and certain employee benefits. As of July 3, 2021, retained assets and liabilitie s were $4.1 million and $2.2 million, resp ectively. As of June 27, 2020, retained assets and liabilities were $10.8 million and $28.5 million, respectively .

Acquisitions (Notes)

Acquisitions (Notes)	3 Months Ended
	Jul. 03, 2021
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	Acquisitions 2021 AcquisitionsOn June 23, 2021, the Company entered into a definitive agreement to acquire all of the issued and outstanding shares of Marine Innovations Group AS, known as "Navico," for $1.05 billion. The Company intends to use a combination of debt and cash to fund the acquisition, which is expected to close during the second half of 2021 subject to usual and customary closing conditions as well as regulatory review and approval. Navico is a privately held global company based in Egersund, Norway, and is a global leader in marine electronics and sensors, including multi-function displays, fish finders, autopilots, sonar, radar, and cartography.

Restructuring, Exit and Integra

Restructuring, Exit and Integration Activities	6 Months Ended
	Jul. 03, 2021
Restructuring and Related Activities [Abstract]
Restructuring, Exit and Integration Activities [Text Block]	Restructuring, Exit and Impairment Activities The Company recorded restructuring, exit and impairment charges in the Condensed Consolidated Statements of Comprehensive Income in 2021 and 2020. The following table is a summary of those expenses for the three months ended July 3, 2021 and June 27, 2020: July 3, 2021 June 27, 2020 (in millions) Parts & Accessories Boat Corporate Total Parts & Accessories Boat Corporate Total Restructuring and exit activities: Employee termination and other benefits $ 0.2 $ — $ — $ 0.2 $ 0.0 $ 0.2 $ 1.7 $ 1.9 Asset-related — — — — — 0.1 — 0.1 Other — — — — — — 0.1 0.1 Total restructuring, exit and impairment charges $ 0.2 $ — $ — $ 0.2 $ 0.0 $ 0.3 $ 1.8 $ 2.1 Total cash payments for restructuring, exit and impairment charges (A) $ 0.3 $ 0.3 $ 0.1 $ 0.7 $ 0.4 $ 1.6 $ 0.3 $ 2.3 Accrued charges at end of the period (B) $ 0.4 $ 0.7 $ — $ 1.1 $ 0.6 $ 2.5 $ 2.1 $ 5.2 (A) Cash payments for the three months ended July 3, 2021 and June 27, 2020 may include payments related to prior period charges. (B) Restructuring, exit and impairment charges accrued as of July 3, 2021 are expected to be paid primarily during 2021. The following table is a summary of those expenses for the six months ended July 3, 2021 and June 27, 2020: July 3, 2021 June 27, 2020 (in millions) Parts & Accessories Boat Corporate Total Parts & Accessories Boat Corporate Total Restructuring and exit activities: Employee termination and other benefits $ 0.7 $ (0.0) $ — $ 0.7 $ 0.3 $ 0.2 $ 1.8 $ 2.3 Asset-related — — — — — 0.1 — 0.1 Other — 0.0 — — — — 0.1 0.1 Total restructuring, exit and impairment charges $ 0.7 $ (0.0) $ — $ 0.7 $ 0.3 $ 0.3 $ 1.9 $ 2.5 Total cash payments for restructuring, exit and impairment charges (A) $ 0.6 $ 0.5 $ 1.7 $ 2.8 $ 1.0 $ 3.8 $ 1.3 $ 6.1 Accrued charges at end of the period (B) $ 0.4 $ 0.7 $ — $ 1.1 $ 0.6 $ 2.5 $ 2.1 $ 5.2 (A) Cash payments for the six months ended July 3, 2021 and June 27, 2020 may include payments related to prior period charges. (B) Restructuring, exit and impairment charges accrued as of July 3, 2021 are expected to be paid primarily during 2021.

Financial Instruments

Financial Instruments	6 Months Ended
	Jul. 03, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Financial Instruments	Financial Instruments The Company operates globally with manufacturing and sales facilities around the world. Due to the Company's global operations, the Company engages in activities involving both financial and market risks. The Company utilizes normal operating and financing activities, along with derivative financial instruments, to minimize these risks. See Note 14 in the Notes to Consolidated Financial Statements in the 2020 Form 10-K for further details regarding the Company's financial instruments and hedging policies. Cross-Currency Swaps. During the second quarter of 2021, the Company entered into cross-currency swaps to hedge Euro currency exposures of the net investment in certain foreign subsidiaries. As of July 3, 2021, the notional value of cross-currency swap contracts outstanding was $200.0 million. The cross-currency swaps were designated as net investment hedges, with the amount of gain or loss associated with the change in fair value of these instruments included in Accumulated other comprehensive loss and recognized upon termination of the respective investment. Commodity Price. The Company uses commodity swaps to hedge anticipated purchases of aluminum. As of July 3, 2021, December 31, 2020 and June 27, 2020, the notional value of commodity swap contracts outstanding were $11.2 million, $10.0 million and $1.0 million, respectively, an d the contracts mature through 2022 . The amount of gain or loss associated with the change in fair value of these instruments is deferred in Accumulated other comprehensive loss and recognized in Cost of sales in the same period or periods during which the hedged transaction affects earnings. As of July 3, 2021, the Company estimates that during the next 12 months it will reclassify approximately $3.6 million in net gains (based on current prices) from Accumulated other comprehensive loss to Cost of sales. Foreign Currency Derivatives. Forward exchange contracts outstanding at July 3, 2021, December 31, 2020 and June 27, 2020 had notional contract values of $481.1 million , $395.9 million and $270.6 million, respectively. There were no option contracts outstanding at either July 3, 2021 or December 31, 2020. Option contracts outstanding at June 27, 2020 had a notional contract value of $17.8 million. The forward contracts outstanding at July 3, 2021 mature through 2022 and mainly relate to the Euro, Australian dollar, Japanese yen, and Canadian dollar. As of July 3, 2021, the Company estimates that during the next 12 months, it will reclassify approximately $4.5 million of net losses (based on current rates) from Accumulated other comprehensive loss to Cost of sales. Interest Rate Derivatives. The Company previously entered into fixed-to-floating interest rate swaps to convert a portion of its long-term debt from fixed to floating rate debt. In the second half of 2019, the Company settled its fixed-to-floating interest rate swaps, resulting in a net deferred gain of $2.5 million included within Debt. The Company will reclassify $0.7 million of net deferred gains from Debt to Interest expense during the next 12 mo nths. There were no outstanding fixed-to-floating interest rate swaps as o f July 3, 2021, December 31, 2020 or June 27, 2020. During the first quarter of 2021, the Company entered into forward-starting interest rate swaps to hedge the interest rate risk associated with anticipated debt issuances. As of July 3, 2021, the outstanding forward-starting interest rate swaps had a total notional contract value of $150.0 million . As of July 3, 2021, the Company had $1.7 million of net deferred gains associated with forward-starting interest rate swaps. As of December 31, 2020 and June 27, 2020, the Company had $1.4 million and $1.7 million , respectively, of net deferred losses associated with previously settled forward-starting interest rate swaps. Forward-starting interest rate swaps are designated as cash flow hedges with gains and losses included in Accumulated other comprehensive loss. As of July 3, 2021, the Company estimates that during the next 12 months, it will reclassify approximately $0.6 million of net losses resulting from settled forward-starting interest rate swaps from Accumulated other comprehensive loss to Interest expense. As of July 3, 2021, December 31, 2020 and June 27, 2020, the fair values of the Company's derivative instruments were: (in millions) Fair Value Asset Derivatives July 3, 2021 December 31, 2020 June 27, 2020 Derivatives Designated as Cash Flow Hedges Foreign exchange contracts $ 3.4 $ 1.3 $ 2.8 Commodity contracts 3.3 0.9 — Interest rate contracts 2.8 — — Total $ 9.5 $ 2.2 $ 2.8 Derivatives Designated as Net Investment Hedges Cross-currency swaps $ 5.9 $ — $ — Other Hedging Activity Foreign exchange contracts $ 0.2 $ 0.0 $ 0.7 Liability Derivatives Derivatives Designated as Cash Flow Hedges Foreign exchange contracts $ 5.4 $ 11.3 $ 1.8 Commodity contracts — — 0.1 Total $ 5.4 $ 11.3 $ 1.9 Other Hedging Activity Foreign exchange contracts $ 0.3 $ 0.7 $ 0.6 As of July 3, 2021, December 31, 2020 and June 27, 2020, asset derivatives are included within Prepaid expenses and other, and Other long-term assets and liability derivatives are included within Accrued expenses and Other long-term liabilities in the Condensed Consolidated Balance Sheets. The effect of derivative instruments on the Condensed Consolidated Statements of Comprehensive Income for the three and six months ended July 3, 2021 and June 27, 2020 is as shown in the tables below. The amount of gain (loss) on derivatives recognized in Accumulated other comprehensive loss was as follows: (in millions) Three Months Ended Six Months Ended Derivatives Designated as Cash Flow Hedging Instruments July 3, 2021 June 27, 2020 July 3, 2021 June 27, 2020 Interest rate contracts $ (7.0) $ — $ 2.8 $ — Foreign exchange contracts (2.2) (2.9) 0.4 6.6 Commodity contracts 2.2 0.0 4.3 (0.1) Total $ (7.0) $ (2.9) $ 7.5 $ 6.5 Derivatives Designated as Net Investment Hedging Instruments Cross-currency swaps $ 5.9 $ — $ 5.9 $ — The amount of gain (loss) reclassified from Accumulated other comprehensive loss into earnings was as follows: (in millions) Three Months Ended Six Months Ended Derivatives Designated as Cash Flow Hedging Instruments Location of Gain (Loss) July 3, 2021 June 27, 2020 July 3, 2021 June 27, 2020 Interest rate contracts Interest expense $ (0.2) $ (0.2) $ (0.3) $ (0.3) Foreign exchange contracts Cost of sales (4.0) 4.0 (7.1) 6.7 Commodity contracts Cost of sales 1.2 0.0 1.5 0.0 Total $ (3.0) $ 3.8 $ (5.9) $ 6.4 Derivatives Designated as Fair Value Hedging Instruments Interest rate contracts Interest expense $ 0.1 $ 0.1 $ 0.3 $ 0.3 Other Hedging Activity Foreign exchange contracts Cost of sales $ (2.8) $ (1.4) $ (1.0) $ 3.4 Foreign exchange contracts Other expense, net (0.2) 0.1 (2.4) 1.2 Total $ (3.0) $ (1.3) $ (3.4) $ 4.6 Fair Value of Other Financial Instruments. The carrying values of the Company's short-term financial instruments, including cash and cash equivalents and accounts and notes receivable, approximate their fair values because of the short maturity of these instruments. As of July 3, 2021, December 31, 2020 and June 27, 2020, the fair value of the Company’s long-term debt, including short-term debt and current maturities, was approximately $1,001.4 million , $1,062.3 million and $1,382.7 million, respectively, and was determined using Level 1 and Level 2 inputs described in Note 7 to the Notes to Consolidated Financial Statements in the 2020 Form 10-K. The carrying value of long-term debt, including short-term debt and current maturities, was $895.6 million , $972.1 million and $1,307.3 million as of July 3, 2021, December 31, 2020 and June 27, 2020, respectively.

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Jul. 03, 2021
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements The following table summarizes the Company's financial assets and liabilities measured at fair value on a recurring basis: (in millions) Fair Value Category Fair Value Level July 3, 2021 December 31, 2020 June 27, 2020 Cash equivalents 1 $ 0.2 $ 19.3 $ 0.2 Short-term investments in marketable securities 1 0.8 56.7 0.8 Restricted cash 1 9.7 10.7 11.6 Derivatives assets 2 15.6 2.2 3.5 Derivative liabilities 2 5.7 12.0 2.5 Deferred compensation 2 18.2 19.8 16.4 Liabilities measured at net asset value 9.3 10.7 9.4 In addition to the items shown in the tables above, refer to Note 17 in the Notes to Consolidated Financial Statements in the 2020 Form 10-K for further information regarding the fair value measurements associated with the Company's postretirement benefit plans.

Share-Based Compensation

Share-Based Compensation	6 Months Ended
	Jul. 03, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]
Share-Based Compensation	Share-Based Compensation Under the Brunswick Corporation 2014 Stock Incentive Plan, the Company may grant stock appreciation rights (SARs), non-vested stock units, and performance awards to executives, other employees and non-employee directors from treasury shares and from authorized, but unissued, shares of common stock initially available for grant, as well as from: (i) the forfeiture of past stock units and awards; (ii) shares not issued upon the net settlement of SARs; or (iii) shares delivered to or withheld by the Company to pay the withholding taxes related to stock units and awards. As of July 3, 2021, 4.7 million shares remained available for grant. Share grant amounts, fair values, and fair value assumptions reflect all outstanding stock units and awards for both continuing and discontinued operations. Non-Vested Stock Units The Company grants both stock-settled and cash-settled non-vested stock units to key employees as determined by management and the Human Resources and Compensation Committee of the Board of Directors. The Company granted nominal stock units during the three months ended July 3, 2021 and June 27, 2020, respectively. The Company granted 0.2 million and 0.3 million of stock units during the six months ended July 3, 2021 and June 27, 2020, respectively. The Company recognizes the cost of non-vested stock units on a straight-line basis over the requisite vesting period. Additionally, cash-settled non-vested stock units are recorded as a liability on the balance sheet and adjusted to fair value each reporting period through stock compensation expense. The Company recorded compensation expense for non-vested stock units of $4.4 million and $7.3 million during the three and six months ended July 3, 2021, respectively, and recorded compensation expense for non-vested stock units of $4.4 million and $6.4 million during the three and six months ended June 27, 2020, respectively. As of July 3, 2021, there was $19.1 million of total unrecognized compensation cost related to non-vested share-based compensation arrangements. The Company expects this cost to be recognized over a weighted average period of 1.4 years. Performance Awards The Company did not grant any performance shares for the three months ended July 3, 2021 and granted a nominal number of performance shares for the three months ended June 27, 2020. The company granted 0.2 million and 0.1 million performance shares to certain senior executives for the six months ended July 3, 2021 and June 27, 2020, respectively. Performance share awards are based on three performance measures: a cash flow return on investment (CFROI) measure, an operating margin (OM) measure and a total shareholder return (TSR) modifier. Performance shares are earned based on a three-year performance period commencing at the beginning of the calendar year of each grant. The performance shares earned are then subject to a TSR modifier based on the Company's stock returns measured against stock returns of a predefined comparator group over a three-year performance period. Additionally, in February 2021 and 2020, the Company granted 24,560 and 26,750 performance shares, respectively, to certain officers and certain senior managers based on the respective measures and performance periods described above but excluding the TSR modifier. The Company recorded compensation expense of $4.3 million and $7.5 million during the three and six months ended July 3, 2021, respectively, and recorded compensation expense of $4.5 million and $2.4 million during the three and six months ended June 27, 2020, respectively, based on projections of probable attainment of the performance measures and the projected TSR modifier used to determine the performance awards. The fair value of the senior executives' performance share award grants with a TSR modifier for grants in 2021 and 2020 was $91.44 and $64.72, respectively. The fair values were estimated using the Monte Carlo valuation model, and incorporated the following assumptions: 2021 2020 Risk-free interest rate 0.2 % 1.4 % Dividend yield 1.2 % 1.5 % Volatility factor 65.6 % 46.6 % Expected life of award 2.9 years 2.9 years The fair value of certain officers' and certain senior managers' performance awards granted based solely on the CFROI and OM performance factors was $87.48 and $61.91 in 2021 and 2020, respectively, which was equal to the stock price on the date of grant in 2021 and 2020, respectively, less the present value of expected dividend payments over the vesting period. As of July 3, 2021, the Company had $13.3 million of total unrecognized compensation cost related to performance awards. The Company expects this cost to be recognized over a weighted average period of 1.3 years. Director Awards The Company issues stock awards to non-employee directors in accordance with the terms and conditions determined by the Nominating and Corporate Governance Committee of the Board of Directors. A portion of each director's annual fee is paid in Brunswick common stock, the receipt of which may be deferred until a director retires from the Board of Directors. Each director may elect to have the remaining portion paid in cash, in Brunswick common stock distributed at the time of the award, or in deferred Brunswick common stock with a 20 percent premium.

Commitments and Contingencies

Commitments and Contingencies	6 Months Ended
	Jul. 03, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Product Warranties The following activity related to product warranty liabilities was recorded in Accrued expenses during the six months ended July 3, 2021 and June 27, 2020: (in millions) July 3, 2021 June 27, 2020 Balance at beginning of period $ 115.9 $ 117.6 Payments - Recurring (31.1) (22.5) (Payments)/Provisions - Sport Yacht and Yachts and Fitness businesses (1.7) (2.8) Provisions/additions for contracts issued/sold 37.8 25.2 Aggregate changes for preexisting warranties (1.8) (2.5) Foreign currency translation (0.2) (0.6) Other (1.2) — Balance at end of period $ 117.7 $ 114.4 Extended Product Warranties The following activity related to deferred revenue for extended product warranty contracts was recorded in Accrued expenses and Other long-term liabilities during the six months ended July 3, 2021 and June 27, 2020: (in millions) July 3, June 27, Balance at beginning of period $ 87.4 $ 75.3 Extended warranty contracts sold 18.7 15.3 Revenue recognized on existing extended warranty contracts (9.7) (8.1) Foreign currency translation 0.3 (0.3) Other (0.3) (0.1) Balance at end of period $ 96.4 $ 82.1

Goodwill and Intangibles

Goodwill and Intangibles	6 Months Ended
	Jul. 03, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangibles [Text Block]	Goodwill and Other Intangibles Changes in the Company's goodwill during the six months ended July 3, 2021 and June 27, 2020, by segment, are summarized below: (in millions) Propulsion Parts and Accessories Boat Total December 31, 2020 $ 15.3 $ 372.5 $ 29.9 $ 417.7 Acquisitions — — 16.8 16.8 Adjustments (0.2) — — (0.2) July 3, 2021 $ 15.1 $ 372.5 $ 46.7 $ 434.3 December 31, 2019 $ 14.5 $ 371.9 $ 28.6 $ 415.0 Adjustments (0.2) (0.3) 0.9 0.4 June 27, 2020 $ 14.3 $ 371.6 $ 29.5 $ 415.4 Adjustments in both periods include the effect of foreign currency translation on goodwill denominated in currencies other than the U.S. dollar. Adjustments in the Boat segment for the six months ended June 27, 2020 relate to finalizing purchase accounting related to the Freedom Boat Club acquisition, primarily related to deferred taxes. There was no accumulated impairment loss on Goodwill as of July 3, 2021, December 31, 2020 or June 27, 2020. The Company's intangible assets, included within Other intangibles, net on the Condensed Consolidated Balance Sheets as of July 3, 2021, December 31, 2020 and June 27, 2020, are summarized by intangible asset type below: July 3, 2021 December 31, 2020 June 27, 2020 (in millions) Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Intangible assets: Customer relationships $ 687.6 $ (322.3) $ 687.7 $ (306.4) $ 686.6 $ (290.2) Trade names 166.3 — 166.2 — 165.6 — Other 18.5 (13.8) 18.5 (13.7) 18.3 (13.2) Total $ 872.4 $ (336.1) $ 872.4 $ (320.1) $ 870.5 $ (303.4) Other intangible assets primarily consist of patents and franchise agreements. Gross amounts and related accumulated amortization amounts include adjustments related to the impact of foreign currency translation. Aggregate amortization expense for intangibles was $8.0 million and $16.0 million for three and six months ended July 3, 2021, respectively. Aggregate amortization expense for intangibles was $8.0 million and $16.0 million for the three and six months ended June 27, 2020, respectively. The Company's intangible assets, included within Other intangibles, net on the Condensed Consolidated Balance Sheets as of July 3, 2021, December 31, 2020 and June 27, 2020, are summarized by segment below: July 3, 2021 December 31, 2020 June 27, 2020 (in millions) Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Propulsion $ 1.0 $ (0.5) $ 1.0 $ (0.5) $ 1.0 $ (0.5) Parts and Accessories 618.8 (127.4) 618.8 (112.4) 617.0 (96.7) Boat 252.6 (208.2) 252.6 (207.2) 252.5 (206.2) Total $ 872.4 $ (336.1) $ 872.4 $ (320.1) $ 870.5 $ (303.4)

Segment Data

Segment Data	6 Months Ended
	Jul. 03, 2021
Segment Reporting [Abstract]
Segment Data	Segment Data Reportable Segments The Company's segments are defined by management's reporting structure and operating activities. The Company's reportable segments are the following: Propulsion . The Propulsion segment manufactures and markets a full range of outboard, sterndrive, and inboard engines, as well as propulsion-related controls, rigging, and propellers. These products are principally sold directly to boat builders, including Brunswick's Boat segment, and through marine retail dealers worldwide. The Propulsion segment primarily markets under the Mercury, Mercury MerCruiser, Mariner, Mercury Racing, and Mercury Diesel brands. The segment's engine manufacturing plants are located mainly in the United States and China, along with a joint venture in Japan, with sales mainly to markets in the Americas, Europe and Asia-Pacific. Parts & Accessories. The Parts & Accessories (P&A) segment consists of the Engine Parts and Accessories and the Advanced Systems Group operating segments, which are aggregated and presented as a single reportable segment. The P&A segment manufactures, markets, and supplies parts and accessories for both marine and non-marine markets. These products are designed for and sold mostly to aftermarket retailers, distributors, and distribution businesses, as well as original equipment manufacturers (including Brunswick brands). Branded parts and accessories include consumables, such as engine oils and lubricants, and are sold under the Mercury, Mercury Precision Parts, Quicksilver, and Seachoice brands. The P&A segment also consists of distribution businesses such as Land 'N' Sea, Kellogg Marine Supply, Lankhorst Taselaar, BLA, and Payne's Marine Group, which distribute third-party and Company products. These businesses are leading distributors of marine parts and accessories throughout North America, Europe, and Asia-Pacific. The P&A segment also includes businesses operating under the Ancor, Attwood, BEP, Blue Sea Systems, CZone, Del City, Garelick, Lenco Marine, Marinco, Mastervolt, MotorGuide, ParkPower, Progressive Industries, ProMariner, Whale and ASG Connect brand names. Products include marine electronics and control systems, instruments, trolling motors, fuel systems, and electrical systems, as well as specialty vehicle, mobile, and transportation aftermarket products. The P&A segment's manufacturing and distribution facilities are primarily located in North America, Europe, Australia and New Zealand. Boat. The Boat segment designs, manufactures and markets the following boat brands and products: Sea Ray sport boats and cruisers; Bayliner sport cruisers, runabouts, and Heyday wake boats; Boston Whaler fiberglass offshore boats; Lund fiberglass fishing boats; Crestliner, Cypress Cay, Harris, Lowe, Lund and Princecraft aluminum fishing, utility, pontoon boats, and deck boats; and Thunder Jet heavy-gauge aluminum boats. The Boat segment procures substantially all of its outboard engines, gasoline sterndrive engines, and gasoline inboard engines from Brunswick's Propulsion segment. The Boat segment also includes Brunswick boat brands based in Europe and Asia-Pacific, which include Quicksilver, Uttern, and Rayglass (including Protector and Legend). The Boat segment's products are manufactured mainly in the United States, Europe, Mexico, and Canada and sold through a global network of dealer and distributor locations, primarily in North America and Europe. The Boat segment also includes Business Acceleration which, through innovative service models, shared access solutions, including the Freedom Boat Club business acquired in 2019, dealer services and emerging technology, aims to provide exceptional experiences to attract a wide range of customers to the marine industry and shape the future of boating. The Company evaluates performance based on segment operating earnings. Segment operating earnings do not include the expenses of corporate administration, impairments or gains on the sale of equity investments, earnings from unconsolidated affiliates, other expenses and income of a non-operating nature, transaction financing charges, interest income and expense, and provisions or benefits for income taxes. Corporate/Other results include items such as corporate staff and administrative costs, investments in technology solutions, business development and other growth-related expenses, including IT enhancements. Corporate/Other total assets consist of mainly cash, cash equivalents and investments in short-term marketable securities, restricted cash, income tax balances and investments in unconsolidated affiliates. Segment eliminations adjust for sales between the Company's reportable segments and primarily relate to the sale of engines and parts and accessories to various boat brands, which are consummated at established arm's length transfer prices as the intersegment pricing for these engines and parts and accessories are based upon and consistent with selling prices to third party customers. Information about the operations of Brunswick's reportable segments is set forth below: Net Sales Operating Earnings (Loss) Three Months Ended Six Months Ended Three Months Ended Six Months Ended (in millions) Jul 3, Jun 27, July 3, June 27, July 3, June 27, July 3, June 27, Propulsion $ 649.5 $ 395.4 $ 1,307.3 $ 844.0 $ 122.1 $ 47.7 $ 246.6 $ 109.0 Parts and Accessories 548.9 386.5 1,008.5 688.1 114.4 80.1 206.3 126.3 Boat 449.1 249.9 868.6 541.4 44.2 2.0 85.0 7.1 Corporate/Other — — — — (30.5) (22.8) (55.8) (32.2) Segment Eliminations (92.7) (44.0) (196.4) (120.2) — — — — Total $ 1,554.8 $ 987.8 $ 2,988.0 $ 1,953.3 $ 250.2 $ 107.0 $ 482.1 $ 210.2 Total Assets (in millions) July 3, December 31, June 27, Propulsion $ 1,095.1 $ 962.4 $ 974.2 Parts and Accessories 1,640.7 1,500.6 1,534.9 Boat (A) 564.0 488.1 463.7 Corporate/Other 838.7 819.5 766.3 Total $ 4,138.5 $ 3,770.6 $ 3,739.1 (A) The Company had $3.0 million of net assets classified as held for sale which were not related to discontinued operations, as of both December 31, 2020 and June 27, 2020. These assets were recorded within Net Property.

Comprehensive Income

Comprehensive Income	6 Months Ended
	Jul. 03, 2021
Comprehensive Income [Abstract]
Comprehensive Income	Comprehensive Income Accumulated other comprehensive loss in the Condensed Consolidated Balance Sheets includes foreign currency cumulative translation adjustments; net changes in prior service costs and credits and net actuarial gains and losses for defined benefit plans; and unrealized derivative gains and losses, all net of tax. Changes in the components of Accumulated other comprehensive loss, all net of tax, for the three and six months ended July 3, 2021 and June 27, 2020 are as follows: Three Months Ended Six Months Ended (in millions) July 3, June 27, July 3, June 27, Net earnings $ 179.4 $ 70.7 $ 348.7 $ 139.7 Other comprehensive income (loss): Foreign currency cumulative translation adjustment 3.2 5.8 (4.3) (7.5) Net change in unamortized prior service credits — (0.1) (0.2) (0.3) Net change in unamortized actuarial gains 0.1 — 0.3 0.4 Net change in unrealized derivative gains (losses) 1.3 (5.0) 14.4 0.2 Total other comprehensive income (loss) 4.6 0.7 10.2 (7.2) Comprehensive income $ 184.0 $ 71.4 $ 358.9 $ 132.5 The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the three months ended July 3, 2021: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (22.6) $ (3.7) $ (8.7) $ (2.1) $ (37.1) Other comprehensive income (loss) before reclassifications (A) 3.2 — — (0.9) 2.3 Amounts reclassified from Accumulated other comprehensive loss (B) — — 0.1 2.2 2.3 Net other comprehensive (loss) income 3.2 — 0.1 1.3 4.6 Ending balance $ (19.4) $ (3.7) $ (8.6) $ (0.8) $ (32.5) (A) The tax effects for the three months ended July 3, 2021 were $(0.9) million for foreign currency translation and $0.2 million for derivatives. (B) See the table below for the tax effects for the three months ended July 3, 2021. The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the six months ended July 3, 2021: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (15.1) $ (3.5) $ (8.9) $ (15.2) $ (42.7) Other comprehensive income (loss) before reclassifications (A) (4.3) — — 10.1 5.8 Amounts reclassified from Accumulated other comprehensive loss (B) — (0.2) 0.3 4.3 4.4 Net other comprehensive (loss) income (4.3) (0.2) 0.3 14.4 10.2 Ending balance $ (19.4) $ (3.7) $ (8.6) $ (0.8) $ (32.5) (A) The tax effects for the six months ended July 3, 2021 were $0.0 million for foreign currency translation and $(3.4) million for derivatives. (B) See the table below for the tax effects for the six months ended July 3, 2021. The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the three months ended June 27, 2020: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (50.9) $ (3.2) $ (6.9) $ (0.3) $ (61.3) Other comprehensive income (loss) before reclassifications (A) 5.8 — (0.2) (2.2) 3.4 Amounts reclassified from Accumulated other comprehensive loss (B) — (0.1) 0.2 (2.8) (2.7) Net other comprehensive (loss) income 5.8 (0.1) — (5.0) 0.7 Ending balance $ (45.1) $ (3.3) $ (6.9) $ (5.3) $ (60.6) (A) The tax effects for the three months ended June 27, 2020 were $(2.0) million for foreign currency translation and $0.7 million for derivatives. (B) See the table below for the tax effects for the three months ended June 27, 2020. The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the six months ended June 27, 2020: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (37.6) $ (3.0) $ (7.3) $ (5.5) $ (53.4) Other comprehensive income (loss) before reclassifications (A) (7.5) — 0.1 4.9 (2.5) Amounts reclassified from Accumulated other comprehensive loss (B) — (0.3) 0.3 (4.7) (4.7) Net other comprehensive (loss) income (7.5) (0.3) 0.4 0.2 (7.2) Ending balance $ (45.1) $ (3.3) $ (6.9) $ (5.3) $ (60.6) (A) The tax effects for the six months ended June 27, 2020 were $0.8 million for foreign currency translation and $(1.6) million for derivatives. (B) See the table below for the tax effects for the six months ended June 27, 2020. The following table presents reclassification adjustments out of Accumulated other comprehensive loss during the three and six months ended July 3, 2021 and June 27, 2020: Three Months Ended Six Months Ended Details about Accumulated other comprehensive income (loss) components (in millions) July 3, June 27, July 3, June 27, Affected line item in the statement where net income is presented Amortization of defined benefit items: Prior service credits $ — $ 0.1 $ 0.2 $ 0.3 Other expense, net Net actuarial losses (0.2) (0.2) (0.4) (0.3) Other expense, net (0.2) (0.1) (0.2) 0.0 Earnings before income taxes 0.1 0.0 0.1 0.0 Income tax provision $ (0.1) $ (0.1) $ (0.1) $ 0.0 Net earnings from continuing operations Amount of gain (loss) reclassified into earnings on derivative contracts: Interest rate contracts $ (0.2) $ (0.2) $ (0.3) $ (0.3) Interest expense Foreign exchange contracts (4.0) 4.0 (7.1) 6.7 Cost of sales Commodity contracts 1.2 (0.0) 1.5 (0.0) Cost of sales (3.0) 3.8 (5.9) 6.4 Earnings before income taxes 0.8 (1.0) 1.6 (1.7) Income tax provision $ (2.2) $ 2.8 $ (4.3) $ 4.7 Net earnings from continuing operations

Income Taxes

Income Taxes	6 Months Ended
	Jul. 03, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company recognized an income tax provision for the three and six months ended July 3, 2021 of $55.2 million and $102.6 million, respectively, which included a net charge of $6.2 million and $3.2 million, respectively. The net charge of $6.2 million is primarily associated with the restructuring of certain branch operations. The net charge of $3.2 million includes the aforementioned branch restructuring charges offset by net excess tax benefits related to share-based compensation and valuation allowance adjustments. The Company recognized an income tax provision for the three and six months ended June 27, 2020 of $17.6 million and $36.0 million, respectively, which included a net charge of $0.4 million related primarily to valuation allowance changes, and a net benefit of $0.4 million associated primarily with the net excess tax benefits related to share-based compensation, respectively. The excess tax benefit related to share-based compensation was $0.1 million and $1.6 million for the three and six months ended July 3, 2021, respectively. There was no excess tax benefit related to share-based compensation for the three months ended June 27, 2020, and the excess tax benefits related to share-based compensation was $0.5 million for the six months ended June 27, 2020. The effective tax rate, which is calculated as the income tax provision as a percentage of earnings before income taxes, for the three and six months ended July 3, 2021 was 23.5 percent and 22.7 percent, respectively. Th e effective tax rate for the three and six months ended June 27, 2020 was 19.8 percent and 20.2 percent, respectively. No deferred income taxes have been provided as of July 3, 2021, December 31, 2020 or June 27, 2020 on the applicable undistributed earnings of the non-U.S. subsidiaries where the indefinite reinvestment assertion has been applied. If at some future date these earnings cease to be indefinitely reinvested and are repatriated, the Company may be subject to additional U.S. income taxes and foreign withholding taxes on such amounts. The Company continues to provide deferred taxes, as required, on the undistributed net earnings of foreign subsidiaries and unconsolidated affiliates that are not deemed to be indefinitely reinvested in operations outside the United States. As of July 3, 2021, December 31, 2020 and June 27, 2020, the Company had $4.6 million, $4.1 million and $4.4 million of gross unrecognized tax benefits, including interest, respectively. The Company believes it is reasonably possible that the total amount of gross unrecognized tax benefits as of July 3, 2021 could decrease by approximately $0.6 million in the next 12 months due to settlements with taxing authorities or lapses in the applicable statute of limitations. Due to the various jurisdictions in which the Company files tax returns and the uncertainty regarding the timing of the settlement of tax audits, it is possible that there could be significant changes in the amount of unrecognized tax benefits in 2021, but the amount cannot be estimated at this time. The Company is regularly audited by federal, state and foreign tax authorities. The Internal Revenue Service (IRS) has completed its field examination and has issued its Revenue Agents Report through the 2014 tax year and all open issues have been resolved. The Company is currently open to tax examinations by the IRS for the 2017 through 2019 tax years. Primarily as a result of filing amended returns, which were generated by the closing of federal income tax audits, the Company is still open to state and local tax audits in major tax jurisdictions dating back to the 2014 taxable year. The Company is no longer subject to income tax examinations by any major foreign tax jurisdiction for years prior to 2013.

Postretirement Benefits

Postretirement Benefits	6 Months Ended
	Jul. 03, 2021
Retirement Benefits [Abstract]
Retirement Benefits [Text Block]	Postretirement Benefits The Company has defined contribution plans, nonqualified defined benefit pension plans, and other postretirement benefit plans covering substantially all of its employees. The Company's contributions to its defined contribution plans include matching and annual discretionary contributions which are based on various percentages of compensation, and in some instances are based on the amount of the employees' contributions to the plans. See Note 17 in the Notes to Consolidated Financial Statements in the 2020 Form 10-K for further details regarding these plans. Pension and other postretirement benefit costs included the following components for the three months ended July 3, 2021 and June 27, 2020: Pension Benefits Other Postretirement Benefits (in millions) July 3, June 27, July 3, June 27,

Debt

Debt	6 Months Ended
	Jul. 03, 2021
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	Debt The following table provides the changes in the Company's long-term debt for the six months ended July 3, 2021: (in millions) Current maturities of long-term debt Long-term debt Total Balance as of December 31, 2020 $ 43.1 $ 908.3 $ 951.4 Proceeds from issuances of long-term debt 0.9 1.0 1.9 Repayments of long-term debt (0.1) (78.4) (78.5) Other (0.4) 1.1 0.7 Balance as of July 3, 2021 $ 43.5 $ 832.0 $ 875.5 As of July 3, 2021, Brunswick was in compliance with the financial covenants associated with its debt. On June 23, 2021, the Company entered into a commitment letter with JPMorgan Chase Bank, N.A. ("JP Morgan") to obtain a 364-day senior unsecured bridge facility in an aggregate amount of principal not to exceed $900.0 million. This commitment letter was completed in anticipation of the acquisition of Navico. Refer to Note 5 – Acquisitions for further details regarding the acquisition. Credit Facility The Company maintains an Amended and Restated Credit Agreement (Credit Facility) providing for $400.0 million of borrowing capacity in effect through September 2024. The Credit Facility includes provisions to add up to $100.0 million of additional borrowing capacity and extend the facility for two additional one-year terms, subject to lender approval. As of July 3, 2021 there were no borrowings outstanding, and available borrowing capacity totaled $397.2 million, net of $2.8 million of letters of credit outstanding under the Credit Facility. Refer to Note 16 in the Notes to Consolidated Financial Statements in the 2020 Form 10-K for details regarding Brunswick's Credit Facility and Note 15 – Subsequent Events

Subsequent Event (Notes)

Subsequent Event (Notes)	6 Months Ended
	Jul. 03, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On July 16, 2021, the Company entered into an Amended and Restated Credit Agreement (the "Amended Credit Facility") with certain wholly-owned subsidiaries of the Company as subsidiary borrowers and lenders as parties, and JPMorgan as administrative agent. The Amended Credit Facility amends and restates the Credit Facility dated as of March 21, 2011, as amended and restated through November 12, 2019. The Amended Credit Facility increases the revolving commitments to $500.0 million, with the capacity to add up to $100.0 million of additional revolving commitments, and amends the Credit Facility in certain respects, including, among other things: • Extending the maturity date to July 16, 2026, with up to two one-year extensions available. • Modifying the applicable interest rate margin range such that the highest applicable interest rate margin is reduced from 1.90 percent per annum to 1.70 percent per annum. • Increasing the net cash offset for purposes of determining the leverage ratio from $150.0 million to $350.0 million . • Modifying the leverage ratio maintenance covenant to allow for a 12-month increase of the maximum leverage ratio to 4.00 to 1.00 following the consummation of a Qualified Acquisition (as such term is defined in the Amended Credit Facility). • Including "hardwired" LIBOR transition provisions substantially consistent with those published by the Alternative Reference Rates Committee.

Significant Accounting Polici_2

Significant Accounting Policies (Policies)	6 Months Ended
	Jul. 03, 2021
Accounting Policies [Abstract]
Basis of Accounting	Interim Financial Statements. Brunswick's unaudited interim condensed consolidated financial statements have been prepared pursuant to Securities and Exchange Commission (SEC) rules and regulations. Therefore, certain information and disclosures normally included in financial statements and related notes prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) have been condensed or omitted.
Fiscal Period Policy	The Company maintains its financial records on the basis of a fiscal year ending on December 31, with the fiscal quarters spanning approximately thirteen weeks. The first quarter ends on the Saturday closest to the end of the first thirteen-week period. The second and third quarters are thirteen weeks in duration and the fourth quarter is the remainder of the year. The second quarter of fiscal year 2021 ended on July 3, 2021 and the second quarter of fiscal year 2020 ended on June 27, 2020.

Revenue Recognition (Tables)

Revenue Recognition (Tables)	6 Months Ended
	Jul. 03, 2021
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue [Table Text Block]	The following table presents the Company's revenue into categories that depict how the nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factors: Three Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Geographic Markets United States $ 404.4 $ 391.7 $ 314.1 $ 1,110.2 $ 224.9 $ 293.8 $ 183.2 $ 701.9 Europe 119.7 69.9 52.5 242.1 69.8 41.9 35.3 147.0 Asia-Pacific 66.6 39.9 7.3 113.8 66.5 24.6 3.2 94.3 Canada 24.1 34.2 66.8 125.1 13.4 19.5 23.7 56.6 Rest-of-World 34.7 13.2 8.4 56.3 20.8 6.7 4.5 32.0 Segment Eliminations (85.6) (7.1) — (92.7) (39.8) (4.2) — (44.0) Total $ 563.9 $ 541.8 $ 449.1 $ 1,554.8 $ 355.6 $ 382.3 $ 249.9 $ 987.8 Six Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Geographic Markets United States $ 825.7 $ 704.0 $ 626.7 $ 2,156.4 $ 515.8 $ 504.7 $ 398.7 $ 1,419.2 Europe 228.7 133.4 94.1 456.2 139.4 84.7 70.4 294.5 Asia-Pacific 132.3 82.4 14.0 228.7 115.8 49.3 8.8 173.9 Canada 49.3 59.6 115.2 224.1 27.5 33.2 55.5 116.2 Rest-of-World 71.3 29.1 18.6 119.0 45.5 16.2 8.0 69.7 Segment Eliminations (180.5) (15.9) — (196.4) (108.9) (11.3) — (120.2) Total $ 1,126.8 $ 992.6 $ 868.6 $ 2,988.0 $ 735.1 $ 676.8 $ 541.4 $ 1,953.3 Three Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Major Product Lines Outboard Engines $ 494.2 $ — $ — $ 494.2 $ 314.3 $ — $ — $ 314.3 Controls, Rigging, and Propellers 96.1 — — 96.1 53.2 — — 53.2 Sterndrive Engines 59.2 — — 59.2 27.9 — — 27.9 Distribution Parts and Accessories — 255.2 — 255.2 — 190.7 — 190.7 Advanced Systems Group — 138.3 — 138.3 — 86.8 — 86.8 Engine Parts and Accessories — 155.4 — 155.4 — 109.0 — 109.0 Aluminum Freshwater Boats — — 190.1 190.1 — — 94.2 94.2 Recreational Fiberglass Boats — — 154.2 154.2 — — 89.6 89.6 Saltwater Fishing Boats — — 93.0 93.0 — — 59.0 59.0 Business Acceleration — — 15.3 15.3 — — 8.3 8.3 Boat Eliminations/Other — — (3.5) (3.5) — — (1.2) (1.2) Segment Eliminations (85.6) (7.1) — (92.7) (39.8) (4.2) — (44.0) Total $ 563.9 $ 541.8 $ 449.1 $ 1,554.8 $ 355.6 $ 382.3 $ 249.9 $ 987.8 Six Months Ended July 3, 2021 June 27, 2020 (in millions) Propulsion Parts & Accessories Boat Total Propulsion Parts & Accessories Boat Total Major Product Lines Outboard Engines $ 998.7 $ — $ — $ 998.7 $ 668.1 $ — $ — $ 668.1 Controls, Rigging, and Propellers 191.0 — — 191.0 110.7 — — 110.7 Sterndrive Engines 117.6 — — 117.6 65.2 — — 65.2 Distribution Parts and Accessories — 455.8 — 455.8 — 312.0 — 312.0 Advanced Systems Group — 273.1 — 273.1 — 189.9 — 189.9 Engine Parts and Accessories — 279.6 — 279.6 — 186.2 — 186.2 Aluminum Freshwater Boats — — 367.9 367.9 — — 214.7 214.7 Recreational Fiberglass Boats — — 289.6 289.6 — — 191.4 191.4 Saltwater Fishing Boats — — 189.8 189.8 — — 118.8 118.8 Business Acceleration — — 28.0 28.0 — — 18.3 18.3 Boat Eliminations/Other — — (6.7) (6.7) — — (1.8) (1.8) Segment Eliminations (180.5) (15.9) — (196.4) (108.9) (11.3) — (120.2) Total $ 1,126.8 $ 992.6 $ 868.6 $ 2,988.0 $ 735.1 $ 676.8 $ 541.4 $ 1,953.3

Restructuring, Exit and Integ_2

Restructuring, Exit and Integration Activities (Tables)	6 Months Ended
	Jul. 03, 2021
Restructuring and Related Activities [Abstract]
Restructuring and Related Costs [Table Text Block]	The following table is a summary of those expenses for the three months ended July 3, 2021 and June 27, 2020: July 3, 2021 June 27, 2020 (in millions) Parts & Accessories Boat Corporate Total Parts & Accessories Boat Corporate Total Restructuring and exit activities: Employee termination and other benefits $ 0.2 $ — $ — $ 0.2 $ 0.0 $ 0.2 $ 1.7 $ 1.9 Asset-related — — — — — 0.1 — 0.1 Other — — — — — — 0.1 0.1 Total restructuring, exit and impairment charges $ 0.2 $ — $ — $ 0.2 $ 0.0 $ 0.3 $ 1.8 $ 2.1 Total cash payments for restructuring, exit and impairment charges (A) $ 0.3 $ 0.3 $ 0.1 $ 0.7 $ 0.4 $ 1.6 $ 0.3 $ 2.3 Accrued charges at end of the period (B) $ 0.4 $ 0.7 $ — $ 1.1 $ 0.6 $ 2.5 $ 2.1 $ 5.2 (A) Cash payments for the three months ended July 3, 2021 and June 27, 2020 may include payments related to prior period charges. (B) Restructuring, exit and impairment charges accrued as of July 3, 2021 are expected to be paid primarily during 2021. The following table is a summary of those expenses for the six months ended July 3, 2021 and June 27, 2020: July 3, 2021 June 27, 2020 (in millions) Parts & Accessories Boat Corporate Total Parts & Accessories Boat Corporate Total Restructuring and exit activities: Employee termination and other benefits $ 0.7 $ (0.0) $ — $ 0.7 $ 0.3 $ 0.2 $ 1.8 $ 2.3 Asset-related — — — — — 0.1 — 0.1 Other — 0.0 — — — — 0.1 0.1 Total restructuring, exit and impairment charges $ 0.7 $ (0.0) $ — $ 0.7 $ 0.3 $ 0.3 $ 1.9 $ 2.5 Total cash payments for restructuring, exit and impairment charges (A) $ 0.6 $ 0.5 $ 1.7 $ 2.8 $ 1.0 $ 3.8 $ 1.3 $ 6.1 Accrued charges at end of the period (B) $ 0.4 $ 0.7 $ — $ 1.1 $ 0.6 $ 2.5 $ 2.1 $ 5.2 (A) Cash payments for the six months ended July 3, 2021 and June 27, 2020 may include payments related to prior period charges. (B) Restructuring, exit and impairment charges accrued as of July 3, 2021 are expected to be paid primarily during 2021.

Financial Instruments Financial

Financial Instruments Financial Instruments (Tables)	6 Months Ended
	Jul. 03, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Fair Values of Derivative Instruments	As of July 3, 2021, December 31, 2020 and June 27, 2020, the fair values of the Company's derivative instruments were: (in millions) Fair Value Asset Derivatives July 3, 2021 December 31, 2020 June 27, 2020 Derivatives Designated as Cash Flow Hedges Foreign exchange contracts $ 3.4 $ 1.3 $ 2.8 Commodity contracts 3.3 0.9 — Interest rate contracts 2.8 — — Total $ 9.5 $ 2.2 $ 2.8 Derivatives Designated as Net Investment Hedges Cross-currency swaps $ 5.9 $ — $ — Other Hedging Activity Foreign exchange contracts $ 0.2 $ 0.0 $ 0.7 Liability Derivatives Derivatives Designated as Cash Flow Hedges Foreign exchange contracts $ 5.4 $ 11.3 $ 1.8 Commodity contracts — — 0.1 Total $ 5.4 $ 11.3 $ 1.9 Other Hedging Activity Foreign exchange contracts $ 0.3 $ 0.7 $ 0.6 As of July 3, 2021, December 31, 2020 and June 27, 2020, asset derivatives are included within Prepaid expenses and other, and Other long-term assets and liability derivatives are included within Accrued expenses and Other long-term liabilities in the Condensed Consolidated Balance Sheets.
Effect of Derivative Instruments on the Condensed Consolidated Statements of Comprehensive Income	The effect of derivative instruments on the Condensed Consolidated Statements of Comprehensive Income for the three and six months ended July 3, 2021 and June 27, 2020 is as shown in the tables below. The amount of gain (loss) on derivatives recognized in Accumulated other comprehensive loss was as follows: (in millions) Three Months Ended Six Months Ended Derivatives Designated as Cash Flow Hedging Instruments July 3, 2021 June 27, 2020 July 3, 2021 June 27, 2020 Interest rate contracts $ (7.0) $ — $ 2.8 $ — Foreign exchange contracts (2.2) (2.9) 0.4 6.6 Commodity contracts 2.2 0.0 4.3 (0.1) Total $ (7.0) $ (2.9) $ 7.5 $ 6.5 Derivatives Designated as Net Investment Hedging Instruments Cross-currency swaps $ 5.9 $ — $ 5.9 $ — The amount of gain (loss) reclassified from Accumulated other comprehensive loss into earnings was as follows: (in millions) Three Months Ended Six Months Ended Derivatives Designated as Cash Flow Hedging Instruments Location of Gain (Loss) July 3, 2021 June 27, 2020 July 3, 2021 June 27, 2020 Interest rate contracts Interest expense $ (0.2) $ (0.2) $ (0.3) $ (0.3) Foreign exchange contracts Cost of sales (4.0) 4.0 (7.1) 6.7 Commodity contracts Cost of sales 1.2 0.0 1.5 0.0 Total $ (3.0) $ 3.8 $ (5.9) $ 6.4 Derivatives Designated as Fair Value Hedging Instruments Interest rate contracts Interest expense $ 0.1 $ 0.1 $ 0.3 $ 0.3 Other Hedging Activity Foreign exchange contracts Cost of sales $ (2.8) $ (1.4) $ (1.0) $ 3.4 Foreign exchange contracts Other expense, net (0.2) 0.1 (2.4) 1.2 Total $ (3.0) $ (1.3) $ (3.4) $ 4.6

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Jul. 03, 2021
Fair Value Disclosures [Abstract]
Summary of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis	The following table summarizes the Company's financial assets and liabilities measured at fair value on a recurring basis: (in millions) Fair Value Category Fair Value Level July 3, 2021 December 31, 2020 June 27, 2020 Cash equivalents 1 $ 0.2 $ 19.3 $ 0.2 Short-term investments in marketable securities 1 0.8 56.7 0.8 Restricted cash 1 9.7 10.7 11.6 Derivatives assets 2 15.6 2.2 3.5 Derivative liabilities 2 5.7 12.0 2.5 Deferred compensation 2 18.2 19.8 16.4 Liabilities measured at net asset value 9.3 10.7 9.4

Share-Based Compensation (Table

Share-Based Compensation (Tables)	6 Months Ended
	Jul. 03, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]
Fair Value Assumptions for Performance Awards	The fair value of the senior executives' performance share award grants with a TSR modifier for grants in 2021 and 2020 was $91.44 and $64.72, respectively. The fair values were estimated using the Monte Carlo valuation model, and incorporated the following assumptions: 2021 2020 Risk-free interest rate 0.2 % 1.4 % Dividend yield 1.2 % 1.5 % Volatility factor 65.6 % 46.6 % Expected life of award 2.9 years 2.9 years

Commitments and Contingencies (

Commitments and Contingencies (Tables)	6 Months Ended
	Jul. 03, 2021
Commitments and Contingencies Disclosure [Abstract]
Product Warranty Liabilities	The following activity related to product warranty liabilities was recorded in Accrued expenses during the six months ended July 3, 2021 and June 27, 2020: (in millions) July 3, 2021 June 27, 2020 Balance at beginning of period $ 115.9 $ 117.6 Payments - Recurring (31.1) (22.5) (Payments)/Provisions - Sport Yacht and Yachts and Fitness businesses (1.7) (2.8) Provisions/additions for contracts issued/sold 37.8 25.2 Aggregate changes for preexisting warranties (1.8) (2.5) Foreign currency translation (0.2) (0.6) Other (1.2) — Balance at end of period $ 117.7 $ 114.4
Extended Product Warranty Liabilities	The following activity related to deferred revenue for extended product warranty contracts was recorded in Accrued expenses and Other long-term liabilities during the six months ended July 3, 2021 and June 27, 2020: (in millions) July 3, June 27, Balance at beginning of period $ 87.4 $ 75.3 Extended warranty contracts sold 18.7 15.3 Revenue recognized on existing extended warranty contracts (9.7) (8.1) Foreign currency translation 0.3 (0.3) Other (0.3) (0.1) Balance at end of period $ 96.4 $ 82.1

Goodwill and Intangibles (Table

Goodwill and Intangibles (Tables)	6 Months Ended
	Jul. 03, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill [Table Text Block]	Changes in the Company's goodwill during the six months ended July 3, 2021 and June 27, 2020, by segment, are summarized below: (in millions) Propulsion Parts and Accessories Boat Total December 31, 2020 $ 15.3 $ 372.5 $ 29.9 $ 417.7 Acquisitions — — 16.8 16.8 Adjustments (0.2) — — (0.2) July 3, 2021 $ 15.1 $ 372.5 $ 46.7 $ 434.3 December 31, 2019 $ 14.5 $ 371.9 $ 28.6 $ 415.0 Adjustments (0.2) (0.3) 0.9 0.4 June 27, 2020 $ 14.3 $ 371.6 $ 29.5 $ 415.4
Schedule of Other Intangible Assets [Table Text Block]	The Company's intangible assets, included within Other intangibles, net on the Condensed Consolidated Balance Sheets as of July 3, 2021, December 31, 2020 and June 27, 2020, are summarized by intangible asset type below: July 3, 2021 December 31, 2020 June 27, 2020 (in millions) Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Intangible assets: Customer relationships $ 687.6 $ (322.3) $ 687.7 $ (306.4) $ 686.6 $ (290.2) Trade names 166.3 — 166.2 — 165.6 — Other 18.5 (13.8) 18.5 (13.7) 18.3 (13.2) Total $ 872.4 $ (336.1) $ 872.4 $ (320.1) $ 870.5 $ (303.4) Other intangible assets primarily consist of patents and franchise agreements. Gross amounts and related accumulated amortization amounts include adjustments related to the impact of foreign currency translation. Aggregate amortization expense for intangibles was $8.0 million and $16.0 million for three and six months ended July 3, 2021, respectively. Aggregate amortization expense for intangibles was $8.0 million and $16.0 million for the three and six months ended June 27, 2020, respectively. The Company's intangible assets, included within Other intangibles, net on the Condensed Consolidated Balance Sheets as of July 3, 2021, December 31, 2020 and June 27, 2020, are summarized by segment below: July 3, 2021 December 31, 2020 June 27, 2020 (in millions) Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Gross Amount Accumulated Amortization Propulsion $ 1.0 $ (0.5) $ 1.0 $ (0.5) $ 1.0 $ (0.5) Parts and Accessories 618.8 (127.4) 618.8 (112.4) 617.0 (96.7) Boat 252.6 (208.2) 252.6 (207.2) 252.5 (206.2) Total $ 872.4 $ (336.1) $ 872.4 $ (320.1) $ 870.5 $ (303.4)

Segment Data (Tables)

Segment Data (Tables)	6 Months Ended
	Jul. 03, 2021
Segment Reporting [Abstract]
Operating Segments	Net Sales Operating Earnings (Loss) Three Months Ended Six Months Ended Three Months Ended Six Months Ended (in millions) Jul 3, Jun 27, July 3, June 27, July 3, June 27, July 3, June 27, Propulsion $ 649.5 $ 395.4 $ 1,307.3 $ 844.0 $ 122.1 $ 47.7 $ 246.6 $ 109.0 Parts and Accessories 548.9 386.5 1,008.5 688.1 114.4 80.1 206.3 126.3 Boat 449.1 249.9 868.6 541.4 44.2 2.0 85.0 7.1 Corporate/Other — — — — (30.5) (22.8) (55.8) (32.2) Segment Eliminations (92.7) (44.0) (196.4) (120.2) — — — — Total $ 1,554.8 $ 987.8 $ 2,988.0 $ 1,953.3 $ 250.2 $ 107.0 $ 482.1 $ 210.2 Total Assets (in millions) July 3, December 31, June 27, Propulsion $ 1,095.1 $ 962.4 $ 974.2 Parts and Accessories 1,640.7 1,500.6 1,534.9 Boat (A) 564.0 488.1 463.7 Corporate/Other 838.7 819.5 766.3 Total $ 4,138.5 $ 3,770.6 $ 3,739.1 (A) The Company had $3.0 million of net assets classified as held for sale which were not related to discontinued operations, as of both December 31, 2020 and June 27, 2020. These assets were recorded within Net Property.

Comprehensive Income (Tables)

Comprehensive Income (Tables)	6 Months Ended
	Jul. 03, 2021
Comprehensive Income [Abstract]
Changes in the Components in Accumulated Other Comprehensive Income (Loss)	Changes in the components of Accumulated other comprehensive loss, all net of tax, for the three and six months ended July 3, 2021 and June 27, 2020 are as follows: Three Months Ended Six Months Ended (in millions) July 3, June 27, July 3, June 27, Net earnings $ 179.4 $ 70.7 $ 348.7 $ 139.7 Other comprehensive income (loss): Foreign currency cumulative translation adjustment 3.2 5.8 (4.3) (7.5) Net change in unamortized prior service credits — (0.1) (0.2) (0.3) Net change in unamortized actuarial gains 0.1 — 0.3 0.4 Net change in unrealized derivative gains (losses) 1.3 (5.0) 14.4 0.2 Total other comprehensive income (loss) 4.6 0.7 10.2 (7.2) Comprehensive income $ 184.0 $ 71.4 $ 358.9 $ 132.5 The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the three months ended July 3, 2021: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (22.6) $ (3.7) $ (8.7) $ (2.1) $ (37.1) Other comprehensive income (loss) before reclassifications (A) 3.2 — — (0.9) 2.3 Amounts reclassified from Accumulated other comprehensive loss (B) — — 0.1 2.2 2.3 Net other comprehensive (loss) income 3.2 — 0.1 1.3 4.6 Ending balance $ (19.4) $ (3.7) $ (8.6) $ (0.8) $ (32.5) (A) The tax effects for the three months ended July 3, 2021 were $(0.9) million for foreign currency translation and $0.2 million for derivatives. (B) See the table below for the tax effects for the three months ended July 3, 2021. The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the six months ended July 3, 2021: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (15.1) $ (3.5) $ (8.9) $ (15.2) $ (42.7) Other comprehensive income (loss) before reclassifications (A) (4.3) — — 10.1 5.8 Amounts reclassified from Accumulated other comprehensive loss (B) — (0.2) 0.3 4.3 4.4 Net other comprehensive (loss) income (4.3) (0.2) 0.3 14.4 10.2 Ending balance $ (19.4) $ (3.7) $ (8.6) $ (0.8) $ (32.5) (A) The tax effects for the six months ended July 3, 2021 were $0.0 million for foreign currency translation and $(3.4) million for derivatives. (B) See the table below for the tax effects for the six months ended July 3, 2021. The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the three months ended June 27, 2020: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (50.9) $ (3.2) $ (6.9) $ (0.3) $ (61.3) Other comprehensive income (loss) before reclassifications (A) 5.8 — (0.2) (2.2) 3.4 Amounts reclassified from Accumulated other comprehensive loss (B) — (0.1) 0.2 (2.8) (2.7) Net other comprehensive (loss) income 5.8 (0.1) — (5.0) 0.7 Ending balance $ (45.1) $ (3.3) $ (6.9) $ (5.3) $ (60.6) (A) The tax effects for the three months ended June 27, 2020 were $(2.0) million for foreign currency translation and $0.7 million for derivatives. (B) See the table below for the tax effects for the three months ended June 27, 2020. The following table presents the changes in Accumulated other comprehensive loss by component, all net of tax, for the six months ended June 27, 2020: (in millions) Foreign currency translation Prior service credits Net actuarial losses Net derivative losses Total Beginning balance $ (37.6) $ (3.0) $ (7.3) $ (5.5) $ (53.4) Other comprehensive income (loss) before reclassifications (A) (7.5) — 0.1 4.9 (2.5) Amounts reclassified from Accumulated other comprehensive loss (B) — (0.3) 0.3 (4.7) (4.7) Net other comprehensive (loss) income (7.5) (0.3) 0.4 0.2 (7.2) Ending balance $ (45.1) $ (3.3) $ (6.9) $ (5.3) $ (60.6) (A) The tax effects for the six months ended June 27, 2020 were $0.8 million for foreign currency translation and $(1.6) million for derivatives. (B) See the table below for the tax effects for the six months ended June 27, 2020.
Reclassification out of Accumulated Other Comprehensive Income (Loss)	The following table presents reclassification adjustments out of Accumulated other comprehensive loss during the three and six months ended July 3, 2021 and June 27, 2020: Three Months Ended Six Months Ended Details about Accumulated other comprehensive income (loss) components (in millions) July 3, June 27, July 3, June 27, Affected line item in the statement where net income is presented Amortization of defined benefit items: Prior service credits $ — $ 0.1 $ 0.2 $ 0.3 Other expense, net Net actuarial losses (0.2) (0.2) (0.4) (0.3) Other expense, net (0.2) (0.1) (0.2) 0.0 Earnings before income taxes 0.1 0.0 0.1 0.0 Income tax provision $ (0.1) $ (0.1) $ (0.1) $ 0.0 Net earnings from continuing operations Amount of gain (loss) reclassified into earnings on derivative contracts: Interest rate contracts $ (0.2) $ (0.2) $ (0.3) $ (0.3) Interest expense Foreign exchange contracts (4.0) 4.0 (7.1) 6.7 Cost of sales Commodity contracts 1.2 (0.0) 1.5 (0.0) Cost of sales (3.0) 3.8 (5.9) 6.4 Earnings before income taxes 0.8 (1.0) 1.6 (1.7) Income tax provision $ (2.2) $ 2.8 $ (4.3) $ 4.7 Net earnings from continuing operations

Postretirement Benefits (Tables

Postretirement Benefits (Tables)	6 Months Ended
	Jul. 03, 2021
Retirement Benefits [Abstract]
Schedule of Net Benefit Costs [Table Text Block]	Pension and other postretirement benefit costs included the following components for the three months ended July 3, 2021 and June 27, 2020: Pension Benefits Other Postretirement Benefits (in millions) July 3, June 27, July 3, June 27,

Revenue Recognition - Disaggreg

Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 1,554.8	$ 987.8	$ 2,988	$ 1,953.3
Rest-of-World [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	56.3	32	119	69.7
Canada [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	125.1	56.6	224.1	116.2
United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,110.2	701.9	2,156.4	1,419.2
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	242.1	147	456.2	294.5
Asia-Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	113.8	94.3	228.7	173.9
Boat Eliminations
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	(3.5)	(1.2)	(6.7)	(1.8)
Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	541.8	382.3	992.6	676.8
Parts and Accessories [Member] | Rest-of-World [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	13.2	6.7	29.1	16.2
Parts and Accessories [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	34.2	19.5	59.6	33.2
Parts and Accessories [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	391.7	293.8	704	504.7
Parts and Accessories [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	69.9	41.9	133.4	84.7
Parts and Accessories [Member] | Asia-Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	39.9	24.6	82.4	49.3
Parts and Accessories [Member] | Boat Eliminations
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	449.1	249.9	868.6	541.4
Boat [Member] | Rest-of-World [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	8.4	4.5	18.6	8
Boat [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	66.8	23.7	115.2	55.5
Boat [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	314.1	183.2	626.7	398.7
Boat [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	52.5	35.3	94.1	70.4
Boat [Member] | Asia-Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	7.3	3.2	14	8.8
Boat [Member] | Boat Eliminations
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	(3.5)	(1.2)	(6.7)	(1.8)
Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	563.9	355.6	1,126.8	735.1
Propulsion [Member] | Rest-of-World [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	34.7	20.8	71.3	45.5
Propulsion [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	24.1	13.4	49.3	27.5
Propulsion [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	404.4	224.9	825.7	515.8
Propulsion [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	119.7	69.8	228.7	139.4
Propulsion [Member] | Asia-Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	66.6	66.5	132.3	115.8
Propulsion [Member] | Boat Eliminations
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Outboard Engines [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	494.2	314.3	998.7	668.1
Outboard Engines [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Outboard Engines [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Outboard Engines [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	494.2	314.3	998.7	668.1
Controls, Rigging, and Propellers [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	96.1	53.2	191	110.7
Controls, Rigging, and Propellers [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Controls, Rigging, and Propellers [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Controls, Rigging, and Propellers [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	96.1	53.2	191	110.7
Sterndrive Engine [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	59.2	27.9	117.6	65.2
Sterndrive Engine [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Sterndrive Engine [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Sterndrive Engine [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	59.2	27.9	117.6	65.2
Distribution [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	255.2	190.7	455.8	312
Distribution [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	255.2	190.7	455.8	312
Distribution [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Distribution [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Advanced Systems Group [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	138.3	86.8	273.1	189.9
Advanced Systems Group [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	138.3	86.8	273.1	189.9
Advanced Systems Group [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Advanced Systems Group [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Engine Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	155.4	109	279.6	186.2
Engine Parts and Accessories [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	155.4	109	279.6	186.2
Engine Parts and Accessories [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Engine Parts and Accessories [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Aluminum Freshwater Boats [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	190.1	94.2	367.9	214.7
Aluminum Freshwater Boats [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Aluminum Freshwater Boats [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	190.1	94.2	367.9	214.7
Aluminum Freshwater Boats [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Recreational Fiberglass Boats [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	154.2	89.6	289.6	191.4
Recreational Fiberglass Boats [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Recreational Fiberglass Boats [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	154.2	89.6	289.6	191.4
Recreational Fiberglass Boats [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Saltwater Fishing Boats [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	93	59	189.8	118.8
Saltwater Fishing Boats [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Saltwater Fishing Boats [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	93	59	189.8	118.8
Saltwater Fishing Boats [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Business Acceleration [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	15.3	8.3	28	18.3
Business Acceleration [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Business Acceleration [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	15.3	8.3	28	18.3
Business Acceleration [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Segment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	(92.7)	(44)	(196.4)	(120.2)
Segment Eliminations [Member] | Parts and Accessories [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	(7.1)	(4.2)	(15.9)	(11.3)
Segment Eliminations [Member] | Boat [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Segment Eliminations [Member] | Propulsion [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ (85.6)	$ (39.8)	$ (180.5)	$ (108.9)

Revenue Recognition - Contracts

Revenue Recognition - Contracts with Customer (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 03, 2021	Jul. 03, 2021	Jan. 01, 2021
Revenue from Contract with Customer [Abstract]
Contract with Customer, Liability	$ 130.5	$ 130.5	$ 113
Contract with Customer, Liability, Revenue Recognized	$ 9.5	$ 21.1

Revenue Recognition - Performan

Revenue Recognition - Performance Obligations (Details) $ in Millions	Jul. 03, 2021USD ($)
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 122
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 22.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 29.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 69.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period

Discontinued Operations (Detail

Discontinued Operations (Details) - Fitness [Member] - USD ($) $ in Millions	Jul. 03, 2021	Jun. 27, 2020	Jun. 27, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Retained Assets	$ 4.1	$ 10.8	$ 26.4
Retained Liabilities	$ 2.2	$ 28.5	$ 45.1

Acquisitions (Details)

Acquisitions (Details) - USD ($)	6 Months Ended
	Jul. 03, 2021	Dec. 31, 2020	Jun. 27, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill	$ 434,300,000	$ 417,700,000	$ 415,400,000	$ 415,000,000
Navico
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 1,050,000,000

Restructuring, Exit and Integ_3

Restructuring, Exit and Integration Activities (Details) - USD ($) $ in Millions		3 Months Ended				6 Months Ended
		Jul. 03, 2021		Jun. 27, 2020		Jul. 03, 2021		Jun. 27, 2020
Restructuring Cost and Reserve [Line Items]
Total Restructuring, Exit and Impairment Charges		$ 0.2		$ 2.1		$ 0.7		$ 2.5
Restructuring Reserve [Abstract]
Total Cash Payments for Restructuring, Exit, Integration and Impairment Charges		0.7	[1]	2.3	[1]	2.8	[2]	6.1	[2]
Accrued Charges at End of the Period	[3],[4]	1.1		5.2		1.1		5.2
Restructuring and Exit Activities [Member]
Restructuring Cost and Reserve [Line Items]
Employee Termination and Other Benefits		0.2		1.9		0.7		2.3
Other		0		0.1		0		0.1
Restructuring Reserve [Abstract]
Asset Impairment Charges		0		0.1		0		0.1
Parts and Accessories [Member]
Restructuring Cost and Reserve [Line Items]
Total Restructuring, Exit and Impairment Charges		0.2		0		0.7		0.3
Restructuring Reserve [Abstract]
Total Cash Payments for Restructuring, Exit, Integration and Impairment Charges		0.3	[1]	0.4	[1]	0.6	[2]	1	[2]
Accrued Charges at End of the Period	[3],[4]	0.4		0.6		0.4		0.6
Parts and Accessories [Member] | Restructuring and Exit Activities [Member]
Restructuring Cost and Reserve [Line Items]
Employee Termination and Other Benefits		0.2		0		0.7		0.3
Other		0		0		0		0
Restructuring Reserve [Abstract]
Asset Impairment Charges		0		0		0		0
Boat [Member]
Restructuring Cost and Reserve [Line Items]
Total Restructuring, Exit and Impairment Charges		0		0.3		0		0.3
Restructuring Reserve [Abstract]
Total Cash Payments for Restructuring, Exit, Integration and Impairment Charges		0.3	[1]	1.6	[1]	0.5	[2]	3.8	[2]
Accrued Charges at End of the Period	[3],[4]	0.7		2.5		0.7		2.5
Boat [Member] | Restructuring and Exit Activities [Member]
Restructuring Cost and Reserve [Line Items]
Employee Termination and Other Benefits		0		0.2		0		0.2
Other		0		0		0		0
Restructuring Reserve [Abstract]
Asset Impairment Charges		0		0.1		0		0.1
Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Total Restructuring, Exit and Impairment Charges		0		1.8		0		1.9
Restructuring Reserve [Abstract]
Total Cash Payments for Restructuring, Exit, Integration and Impairment Charges		0.1	[1]	0.3	[1]	1.7	[2]	1.3	[2]
Accrued Charges at End of the Period	[3],[4]	0		2.1		0		2.1
Corporate Segment [Member] | Restructuring and Exit Activities [Member]
Restructuring Cost and Reserve [Line Items]
Employee Termination and Other Benefits		0		1.7		0		1.8
Other		0		0.1		0		0.1
Restructuring Reserve [Abstract]
Asset Impairment Charges		$ 0		$ 0		$ 0		$ 0
[1]	(A) Cash payments for the three months ended July 3, 2021 and June 27, 2020 may include payments related to prior period charges.
[2]	(A) Cash payments for the six months ended July 3, 2021 and June 27, 2020 may include payments related to prior period charges.
[3]	(B) Restructuring, exit and impairment charges accrued as of July 3, 2021 are expected to be paid primarily during 2021
[4]	(B) Restructuring, exit and impairment charges accrued as of July 3, 2021 are expected to be paid primarily during 2021.

Financial Instruments Financi_2

Financial Instruments Financial Instruments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020
Derivative [Line Items]
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value, Net			$ 200,000,000
Commodity Contract [Member]
Derivative [Line Items]
Notional Values			11,200,000	$ 1,000,000	$ 10,000,000
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months			3,600,000
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional Values			481,100,000	270,600,000	395,900,000
Foreign Exchange Option [Member]
Derivative [Line Items]
Notional Values			0	17,800,000	0
Foreign Exchange Contracts [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months			(4,500,000)
Debentures Due 2023 [Member]
Derivative [Line Items]
Amount of Gain (Loss) Estimated to be Reclassified from Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense		$ 2,500,000
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net		$ 700,000
Interest Rate Swap [Member]
Derivative [Line Items]
Notional Values			0	150,000,000	0
Forward-Starting Interest Rate Swap [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months			(600,000)
Amount of Gain (Loss) Estimated to be Reclassified from Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense	$ (1,400,000)		1,700,000	(1,700,000)
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset			9,500,000	2,800,000	2,200,000
Derivative Liability, Fair Value, Gross Liability			5,400,000	1,900,000	11,300,000
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Prepaid Expenses and Other Current Assets [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset			3,300,000	0	900,000
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Contracts [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset			3,400,000	2,800,000	1,300,000
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Prepaid Expenses and Other Current Assets [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset			2,800,000	0	0
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Accrued Expenses [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability			0	100,000	0
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Accrued Expenses [Member] | Foreign Exchange Contracts [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability			5,400,000	1,800,000	11,300,000
Other Hedging Activity [Member] | Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Contracts [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset			200,000	700,000	0
Other Hedging Activity [Member] | Accrued Expenses [Member] | Foreign Exchange Contracts [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability			$ 300,000	$ 600,000	$ 700,000

Financial Instruments, Fair Val

Financial Instruments, Fair Values of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020
Other Hedging Activity [Member]
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (3)	$ (1.3)	$ (3.4)	$ 4.6
Foreign Exchange Contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Other Hedging Activity [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0.2	0.7	0.2	0.7	$ 0
Foreign Exchange Contracts [Member] | Accrued Expenses [Member] | Other Hedging Activity [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	0.3	0.6	0.3	0.6	0.7
Cash Flow Hedging [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(7)	(2.9)	7.5	6.5
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(3)	3.8	(5.9)	6.4
Derivative Asset, Fair Value, Gross Asset	9.5	2.8	9.5	2.8	2.2
Derivative Liability, Fair Value, Gross Liability	5.4	1.9	5.4	1.9	11.3
Cash Flow Hedging [Member] | Interest Rate Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(7)	0	2.8	0
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(2.2)	(2.9)	0.4	6.6
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Prepaid Expenses and Other Current Assets [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	3.4	2.8	3.4	2.8	1.3
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Accrued Expenses [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	5.4	1.8	5.4	1.8	11.3
Cash Flow Hedging [Member] | Commodity Contract [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	2.2	0	4.3	(0.1)
Cash Flow Hedging [Member] | Commodity Contract [Member] | Prepaid Expenses and Other Current Assets [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	3.3	0	3.3	0	0.9
Cash Flow Hedging [Member] | Commodity Contract [Member] | Accrued Expenses [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	0.1	0	0.1	0
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Prepaid Expenses and Other Current Assets [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	2.8	0	2.8	0	0
Fair Value Hedging [Member] | Net Investment Hedging | Other Long-Term Assets [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		0		0	$ 0
Net Investment Hedging | Net Investment Hedging | Other Long-Term Assets [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	5.9		5.9
Cost of Sales [Member] | Foreign Exchange Contracts [Member] | Other Hedging Activity [Member]
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(2.8)	(1.4)	(1)	3.4
Cost of Sales [Member] | Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(4)	4	(7.1)	6.7
Cost of Sales [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 1.2	$ 0	$ 1.5	$ 0

Financial Instruments, Condense

Financial Instruments, Condensed Consolidated Statements of Comprehensive Income, Effect of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Other Hedging Activity [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (3)	$ (1.3)	$ (3.4)	$ 4.6
Foreign Exchange Contracts [Member] | Cost of Sales [Member] | Other Hedging Activity [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(2.8)	(1.4)	(1)	3.4
Foreign Exchange Contracts [Member] | Other Income (Expense), Net | Other Hedging Activity [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(0.2)	0.1	(2.4)	1.2
Cash Flow Hedging [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(7)	(2.9)	7.5	6.5
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(3)	3.8	(5.9)	6.4
Cash Flow Hedging [Member] | Interest Rate Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(7)	0	2.8	0
Cash Flow Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(0.2)	(0.2)	(0.3)	(0.3)
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(2.2)	(2.9)	0.4	6.6
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Cost of Sales [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(4)	4	(7.1)	6.7
Cash Flow Hedging [Member] | Commodity Contract [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	2.2	0	4.3	(0.1)
Cash Flow Hedging [Member] | Commodity Contract [Member] | Cost of Sales [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	1.2	0	1.5	0
Cash Flow Hedging [Member] | Cross Currency Interest Rate Contract | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	5.9	0	5.9	0
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Interest Expense [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 0.1	$ 0.1	$ 0.3	$ 0.3

Financial Instruments, Fair V_2

Financial Instruments, Fair Value of Other Financial Instruments (Details) - USD ($) $ in Millions	Jul. 03, 2021	Dec. 31, 2020	Jun. 27, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Fair Value of the Company's Long-Term Debt Including Current Maturities	$ 1,001.4	$ 1,062.3	$ 1,382.7
Long-Term Debt	$ 895.6	$ 972.1	$ 1,307.3

Fair Value Measurements (Detail

Fair Value Measurements (Details) - Fair Value, Recurring [Member] - USD ($) $ in Millions	Jul. 03, 2021	Dec. 31, 2020	Jun. 27, 2020
Liabilities:
Fair Value Measurement [Domain]	$ 9.3	$ 10.7	$ 9.4
Level 1 [Member]
Assets:
Cash Equivalents	0.2	19.3	0.2
Short-Term Investments in Marketable Securities	0.8	56.7	0.8
Restricted Cash	9.7	10.7	11.6
Level 2 [Member]
Assets:
Derivative Asset, Fair Value, Gross Asset	15.6	2.2	3.5
Liabilities:
Derivative Liability, Fair Value, Gross Liability	5.7	12	2.5
Deferred Compensation	$ 18.2	$ 19.8	$ 16.4

Share-Based Compensation (Detai

Share-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Available for Grant (in Shares)	4,700,000		4,700,000
Percentage of Premium Paid Out in Deferred Company Common Stock			20.00%
Non-Vested Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Expense	$ 4.4	$ 4.4	$ 7.3	$ 6.4
Unrecognized Compensation Cost	19.1		$ 19.1
Unrecognized Compensation Cost, Period for Recognition			1 year 4 months 24 days	1 year 9 months 18 days
Number of Performance Shares Granted (in Shares)			200,000	300,000
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Expense	4.3	$ 4.5	$ 7.5	$ 2.4
Unrecognized Compensation Cost	$ 13.3		$ 13.3
Unrecognized Compensation Cost, Period for Recognition			1 year 3 months 18 days	1 year 6 months
Certain Senior Executives [Member] | Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Price at Grant Date (in Dollars per Share)	$ 91.44	$ 64.72	$ 91.44	$ 64.72
Risk-Free Interest Rate			0.20%	1.40%
Dividend Yield			1.20%	1.50%
Volatility Factor			65.60%	46.60%
Expected Life of Award			2 years 10 months 24 days	2 years 10 months 24 days
Number of Performance Shares Granted (in Shares)	0	2,160,000,000	200,000	100,000
Certain Officers and Certain Senior Managers [Member] | Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Price at Grant Date (in Dollars per Share)	$ 87.48	$ 61.91	$ 87.48	$ 61.91
Number of Performance Shares Granted (in Shares)			24,560	26,750

Commitments and Contingencies_2

Commitments and Contingencies (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020
Activity Related to Product Warranty Liabilities [Roll Forward]
Balance at Beginning of Period	$ 115.9	$ 117.6
Payments Made	(31.1)	(22.5)
Standard Product Warranty Accrual Payments and Provisions for Discontinued Operations	1.7	2.8
Provisions/Additions for Contracts Issued/Sold	37.8	25.2
Aggregate Changes for Preexisting Warranties	(1.8)	(2.5)
Foreign Currency Translation	(0.2)	(0.6)
Other	(1.2)	0
Balance at End of Period	117.7	114.4
Activity Related to Extended Product Warranty Accrual [Roll Forward]
Balance at Beginning of Period	87.4	75.3
Extended Warranty Contracts Sold	18.7	15.3
Revenue Recognized on Existing Extended Warranty Contracts	(9.7)	(8.1)
Foreign Currency Translation	0.3	(0.3)
Other	(0.3)	(0.1)
Balance at End of Period	$ 96.4	$ 82.1

Goodwill and Intangibles Goodwi

Goodwill and Intangibles Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Acquisitions	$ 16.8
Goodwill, Impaired, Accumulated Impairment Loss	0	$ 0	$ 0
Goodwill, Other Increase (Decrease)	(0.2)	0.4
Goodwill	434.3	415.4	417.7	$ 415
Propulsion [Member]
Goodwill [Roll Forward]
Acquisitions	0
Goodwill, Other Increase (Decrease)	(0.2)	(0.2)
Goodwill	15.1	14.3	15.3	14.5
Parts and Accessories [Member]
Goodwill [Roll Forward]
Acquisitions	0
Goodwill, Other Increase (Decrease)	0	(0.3)
Goodwill	372.5	371.6	372.5	371.9
Boat [Member]
Goodwill [Roll Forward]
Acquisitions	16.8
Goodwill, Other Increase (Decrease)	0	0.9
Goodwill	$ 46.7	$ 29.5	$ 29.9	$ 28.6
Customer Relationships [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Asset, Weighted Average Remaining Useful Life	13 years 3 months 18 days
Other Intangible Assets [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Asset, Weighted Average Remaining Useful Life	11 years 8 months 12 days

Goodwill and Intangibles Finite

Goodwill and Intangibles Finite-Lived Intangibles (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 434.3	$ 415.4	$ 434.3	$ 415.4	$ 417.7	$ 415
Acquisitions			16.8
Goodwill, Other Increase (Decrease)			(0.2)	0.4
Gross Amount	872.4	870.5	872.4	870.5	872.4
Accumulated Amortization	(336.1)	(303.4)	(336.1)	(303.4)	(320.1)
Amortization Expense for Intangibles	8	8	16	16
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	166.3	165.6	166.3	165.6	166.2
Accumulated Amortization	0	0	0	0	0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	687.6	686.6	687.6	686.6	687.7
Accumulated Amortization	(322.3)	(290.2)	(322.3)	(290.2)	(306.4)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	18.5	18.3	18.5	18.3	18.5
Accumulated Amortization	(13.8)	(13.2)	(13.8)	(13.2)	(13.7)
Propulsion [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	15.1	14.3	15.1	14.3	15.3	14.5
Acquisitions			0
Goodwill, Other Increase (Decrease)			(0.2)	(0.2)
Gross Amount	1	1	1	1	1
Accumulated Amortization	(0.5)	(0.5)	(0.5)	(0.5)	(0.5)
Parts and Accessories [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	372.5	371.6	372.5	371.6	372.5	371.9
Acquisitions			0
Goodwill, Other Increase (Decrease)			0	(0.3)
Gross Amount	618.8	617	618.8	617	618.8
Accumulated Amortization	(127.4)	(96.7)	(127.4)	(96.7)	(112.4)
Boat [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	46.7	29.5	46.7	29.5	29.9	$ 28.6
Acquisitions			16.8
Goodwill, Other Increase (Decrease)			0	0.9
Gross Amount	252.6	252.5	252.6	252.5	252.6
Accumulated Amortization	$ (208.2)	$ (206.2)	$ (208.2)	$ (206.2)	$ (207.2)

Segment Data (Details)

Segment Data (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020		Jul. 03, 2021	Jun. 27, 2020		Dec. 31, 2020
Segment Reporting Information [Line Items]
Net Sales	$ 1,554.8	$ 987.8		$ 2,988	$ 1,953.3
Operating Income (Loss)	250.2	107		482.1	210.2
Total Assets	4,138.5	3,739.1		4,138.5	3,739.1		$ 3,770.6
Assets Held-For-Sale		3			3		3
Segment Eliminations [Member]
Segment Reporting Information [Line Items]
Net Sales	(92.7)	(44)		(196.4)	(120.2)
Operating Income (Loss)	0	0		0	0
Propulsion [Member]
Segment Reporting Information [Line Items]
Net Sales	649.5	395.4		1,307.3	844
Operating Income (Loss)	122.1	47.7		246.6	109
Total Assets	1,095.1	974.2		1,095.1	974.2		962.4
Parts and Accessories [Member]
Segment Reporting Information [Line Items]
Net Sales	548.9	386.5		1,008.5	688.1
Operating Income (Loss)	114.4	80.1		206.3	126.3
Total Assets	1,640.7	1,534.9		1,640.7	1,534.9		1,500.6
Boat [Member]
Segment Reporting Information [Line Items]
Net Sales	449.1	249.9		868.6	541.4
Operating Income (Loss)	44.2	2		85	7.1
Total Assets	564	463.7	[1]	564	463.7	[1]	488.1	[1]
Corporate/Other [Member]
Segment Reporting Information [Line Items]
Net Sales	0	0		0	0
Operating Income (Loss)	(30.5)	(22.8)		(55.8)	(32.2)
Total Assets	$ 838.7	$ 766.3		$ 838.7	$ 766.3		$ 819.5
[1]	(A) The Company had $3.0 million of net assets classified as held for sale which were not related to discontinued operations, as of both December 31, 2020 and June 27, 2020. These assets were recorded within Net Property.

Comprehensive Income (Details)

Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended						6 Months Ended
	Jul. 03, 2021		Apr. 03, 2021	Jun. 27, 2020		Mar. 28, 2020	Jul. 03, 2021		Jun. 27, 2020
Comprehensive Income [Abstract]
Net Earnings (Loss)	$ 179.4		$ 169.3	$ 70.7		$ 69	$ 348.7		$ 139.7
Foreign Currency Cumulative Translation Adjustment	3.2			5.8			(4.3)		(7.5)
Net Change in Unamortized Prior Service Credits	0			(0.1)			(0.2)		(0.3)
Net Change in Unamortized Actuarial Losses	0.1			0			0.3		0.4
Net Change in Unrealized Derivative Losses	1.3			(5)			14.4		0.2
Total Other Comprehensive Income (Loss)	4.6			0.7			10.2		(7.2)
Comprehensive Income (loss)	184			71.4			358.9		132.5
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Net of Tax, Beginning Balance	(37.1)		(42.7)	(61.3)		(53.4)	(42.7)		(53.4)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss) Before Reclassifications	2.3			3.4			5.8		(2.5)
Amounts Reclassified from Accumulated Other Comprehensive Loss	2.3			(2.7)			4.4		(4.7)
Net Other Comprehensive Income (Loss)	4.6		5.6	0.7		(7.9)	10.2		(7.2)
Accumulated Other Comprehensive Loss, Net of Tax, Ending Balance	(32.5)		(37.1)	(60.6)		(61.3)	(32.5)		(60.6)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent [Abstract]
Foreign Currency Translation Adjustments Arising During Period, Tax Effect	(0.9)			(2)			0		0.8
Gains (Losses) on Derivatives Arising During Period, Tax Effect	0.2			0.7			(3.4)		(1.6)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Net of Tax, Beginning Balance	(22.6)		(15.1)	(50.9)		(37.6)	(15.1)		(37.6)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss) Before Reclassifications	3.2	[1]		5.8	[2]		(4.3)	[3]	(7.5)	[4]
Amounts Reclassified from Accumulated Other Comprehensive Loss	0			0			0		0
Net Other Comprehensive Income (Loss)	3.2			5.8			(4.3)		(7.5)
Accumulated Other Comprehensive Loss, Net of Tax, Ending Balance	(19.4)		(22.6)	(45.1)		(50.9)	(19.4)		(45.1)
Prior Service Credits
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Net of Tax, Beginning Balance	(3.7)		(3.5)	(3.2)		(3)	(3.5)		(3)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss) Before Reclassifications	0			0			0		0
Amounts Reclassified from Accumulated Other Comprehensive Loss	0			(0.1)	[5]		(0.2)	[6]	(0.3)	[7]
Net Other Comprehensive Income (Loss)	0			(0.1)			(0.2)		(0.3)
Accumulated Other Comprehensive Loss, Net of Tax, Ending Balance	(3.7)		(3.7)	(3.3)		(3.2)	(3.7)		(3.3)
Net Actuarial Losses
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Net of Tax, Beginning Balance	(8.7)		(8.9)	(6.9)		(7.3)	(8.9)		(7.3)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss) Before Reclassifications	0			(0.2)	[2]		0		0.1	[4]
Amounts Reclassified from Accumulated Other Comprehensive Loss	0.1	[8]		0.2	[5]		0.3	[6]	0.3	[7]
Net Other Comprehensive Income (Loss)	0.1			0			0.3		0.4
Accumulated Other Comprehensive Loss, Net of Tax, Ending Balance	(8.6)		(8.7)	(6.9)		(6.9)	(8.6)		(6.9)
Net Derivative Losses
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Net of Tax, Beginning Balance	(2.1)		(15.2)	(0.3)		(5.5)	(15.2)		(5.5)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss) Before Reclassifications	(0.9)	[1]		(2.2)	[2]		10.1	[3]	4.9	[4]
Amounts Reclassified from Accumulated Other Comprehensive Loss	2.2	[8]		(2.8)	[5]		4.3	[6]	(4.7)	[7]
Net Other Comprehensive Income (Loss)	1.3			(5)			14.4		0.2
Accumulated Other Comprehensive Loss, Net of Tax, Ending Balance	$ (0.8)		$ (2.1)	$ (5.3)		$ (0.3)	$ (0.8)		$ (5.3)
[1]	(A) The tax effects for the three months ended July 3, 2021 were $(0.9) million for foreign currency translation and $0.2 million for derivatives.
[2]	(A) The tax effects for the three months ended June 27, 2020 were $(2.0) million for foreign currency translation and $0.7 million for derivatives.
[3]	(A) The tax effects for the six months ended July 3, 2021 were $0.0 million for foreign currency translation and $(3.4) million for derivatives.
[4]	(A) The tax effects for the six months ended June 27, 2020 were $0.8 million for foreign currency translation and $(1.6) million for derivatives.
[5]	(B) See the table below for the tax effects for the three months ended June 27, 2020.
[6]	(B) See the table below for the tax effects for the six months ended July 3, 2021.
[7]	(B) See the table below for the tax effects for the six months ended June 27, 2020.
[8]	(B) See the table below for the tax effects for the three months ended July 3, 2021.

Comprehensive Income, Reclassif

Comprehensive Income, Reclassification out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Apr. 03, 2021	Dec. 31, 2020	Mar. 28, 2020	Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (32.5)	$ (60.6)	$ (32.5)	$ (60.6)	$ (37.1)	$ (42.7)	$ (61.3)	$ (53.4)
Prior Service Credits	0	0.1	0.2	0.3
Net Actuarial Losses	(0.2)	(0.2)	(0.4)	(0.3)
Defined Benefit Items, Earnings Before Income Taxes	(0.2)	(0.1)	(0.2)	0
Defined Benefit Items, Income Tax Provision	0.1	0	0.1	0
Defined Benefit Items, Net Earnings From Continuing Operations	(0.1)	(0.1)	(0.1)	0
Derivatives, Earnings Before Income Taxes	(3)	3.8	(5.9)	6.4
Derivatives, Income Tax Provision	0.8	(1)	1.6	(1.7)
Derivatives, Net Earnings From Continuing Operations	(2.2)	2.8	(4.3)	4.7
Gains (Losses) on Derivatives Arising During Period, Tax Effect	0.2	0.7	(3.4)	(1.6)
Interest Expense [Member] | Interest Rate Contract [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivatives, Earnings Before Income Taxes	(0.2)	(0.2)	(0.3)	(0.3)
Cost of Sales [Member] | Foreign Exchange Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivatives, Earnings Before Income Taxes	(4)	4	(7.1)	6.7
Cost of Sales [Member] | Commodity Contract [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivatives, Earnings Before Income Taxes	1.2	0	1.5	0
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(19.4)	(45.1)	(19.4)	(45.1)	(22.6)	(15.1)	(50.9)	(37.6)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3.7)	(3.3)	(3.7)	(3.3)	(3.7)	(3.5)	(3.2)	(3)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8.6)	(6.9)	(8.6)	(6.9)	(8.7)	(8.9)	(6.9)	(7.3)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (0.8)	$ (5.3)	$ (0.8)	$ (5.3)	$ (2.1)	$ (15.2)	$ (0.3)	$ (5.5)

Income Taxes (Details)

Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income Tax Provision From Continuing Operations	$ 55,200,000	$ 17,600,000	$ 102,600,000	$ 36,000,000
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	6,200,000	400,000	3,200,000	400,000
Proceeds and Excess Tax Benefit from Share-based Compensation	$ 100,000	$ 0	$ 1,600,000	$ 500,000
Effective Tax Rate From Continuing Operations	23.50%	19.80%	22.70%	20.20%
Gross Unrecognized Tax Benefits, Including Interest	$ 4,600,000	$ 4,400,000	$ 4,600,000	$ 4,400,000	$ 4,100,000
Possible Decrease in Unrecognized Tax Benefits in the Next 12 Months	600,000		600,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	$ 0	$ 0	$ 0	$ 0	$ 0

Debt (Details)

Debt (Details) - USD ($)	Mar. 04, 2019	Jul. 03, 2021	Jun. 23, 2021	Dec. 31, 2020	Jun. 27, 2020
Debt Instrument [Line Items]
Net Proceeds from Issuances of Long-Term Debt		$ 1,900,000
Other Debt Activity		(400,000)
Long-term Debt, Current Maturities		43,500,000		$ 43,100,000
Line of Credit Facility, Maximum Borrowing Capacity		400,000,000
Debt		832,000,000		908,300,000	$ 1,060,400,000
Debt, Long-term and Short-term, Combined Amount		875,500,000		$ 951,400,000
Proceeds from Issuance of Long-term Debt, Excluding Current Maturities		1,000,000
Proceeds from Issuance of Long-term Debt, Current		900,000
Repayments of Long-term debt, Current		(100,000)
Repayments of Long-term Debt, Excluding Current Maturities		(78,400,000)
us-gaap_RepaymentsOfLongTermDebt		(78,500,000)
Other Debt Activity, Long Term		1,100,000
Other Debt Activity, Current and Long Term		700,000
Proceeds from (Repayments of) Commercial Paper		(100,000,000)
Proceeds from Issuance of Commercial Paper		0
Bridge Loan			$ 900,000,000
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Increase (Decrease), Other, Net		100,000,000
Line of Credit Facility, Remaining Borrowing Capacity		397,200,000
Letters of Credit Outstanding, Amount		$ 2,800,000
Unsecured Debt [Member] | Senior Notes Due 2049 [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Apr. 15, 2049

Subsequent Event (Details)

Subsequent Event (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 03, 2021	Jul. 16, 2021
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 400
Subsequent Event
Subsequent Event [Line Items]
Line of Credit Facility, Interest Rate at Period End		1.70%
Net Cash Offset for Credit Facility		$ 350
Line of Credit Facility, Maximum Borrowing Capacity		$ 500
Line of Credit [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Increase (Decrease), Other, Net	$ 100
Line of Credit Facility, Interest Rate at Period End	1.90%
Net Cash Offset for Credit Facility	$ 150