Acquisitions (Details) SFr in Millions, $ in Millions | Jun. 10, 2016USD ($) | Feb. 19, 2016CHF (SFr) | Feb. 19, 2016USD ($) | Apr. 01, 2015USD ($) | Sep. 30, 2016USD ($) | Mar. 31, 2016USD ($) | Sep. 30, 2015USD ($) | Sep. 30, 2016USD ($) | Sep. 30, 2016USD ($) | Sep. 30, 2015USD ($) | Feb. 19, 2016USD ($) | Dec. 31, 2015USD ($) | Oct. 31, 2014USD ($) |
Acquisitions | | | | | | | | | | | | | |
Aggregate cash purchase price, net of cash acquired | | | | | | | | | $ 103.1 | $ 598.9 | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Goodwill | | | | | $ 1,046.5 | | | $ 1,046.5 | 1,046.5 | | | $ 1,134.4 | |
Micro-Coax | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Percentage of ownership interest acquired | 100.00% | | | | | | | | | | | | |
Aggregate cash purchase price, net of cash acquired | $ 94.8 | | | | | | | | | | | | |
Cash acquired in business combination | 1.5 | | | | | | | | | | | | |
Payment of working capital settlement | 0.2 | | | | | | | | | | | | |
Total consideration transferred | | | | | | | | 96.3 | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Cash and cash equivalents | | | | | 1.5 | | | 1.5 | 1.5 | | | | |
Receivables | | | | | 6.3 | | | 6.3 | 6.3 | | | | |
Inventories | | | | | 8.6 | | | 8.6 | 8.6 | | | | |
Prepaid expenses and other current assets | | | | | 0.3 | | | 0.3 | 0.3 | | | | |
Property, plant and equipment | | | | | 16 | | | 16 | 16 | | | | |
Definite-lived intangible assets | | | | | 26.2 | | | 26.2 | 26.2 | | | | |
Indefinite-lived intangible assets | | | | | 0.9 | | | 0.9 | 0.9 | | | | |
Other long-term assets | | | | | 1 | | | 1 | 1 | | | | |
Accounts payable | | | | | (1.7) | | | (1.7) | (1.7) | | | | |
Accrued expenses | | | | | (2.5) | | | (2.5) | (2.5) | | | | |
Total identifiable net assets | | | | | 56.6 | | | 56.6 | 56.6 | | | | |
Goodwill | | | | | 39.7 | | | 39.7 | 39.7 | | | | |
Micro-Coax | Preliminary Allocation | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Total consideration transferred | 97.3 | | | | | | | | | | | | |
Goodwill deductible for tax purpose | | | | | 39.7 | | | 39.7 | 39.7 | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Cash and cash equivalents | 1.5 | | | | | | | | | | | | |
Receivables | 6.3 | | | | | | | | | | | | |
Inventories | 8.6 | | | | | | | | | | | | |
Prepaid expenses and other current assets | 0.4 | | | | | | | | | | | | |
Property, plant and equipment | 30 | | | | | | | | | | | | |
Definite-lived intangible assets | 31.5 | | | | | | | | | | | | |
Indefinite-lived intangible assets | 2 | | | | | | | | | | | | |
Other long-term assets | 1 | | | | | | | | | | | | |
Accounts payable | (1.7) | | | | | | | | | | | | |
Accrued expenses | (2.4) | | | | | | | | | | | | |
Total identifiable net assets | 77.2 | | | | | | | | | | | | |
Goodwill | $ 20.1 | | | | | | | | | | | | |
Micro-Coax | Preliminary Allocation | Trade names | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Indefinite-lived intangible assets | | | | | $ 0.9 | | | 0.9 | 0.9 | | | | |
Micro-Coax | Preliminary Allocation | Customer relationships | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | 12 years | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | $ 15 | | | 15 | 15 | | | | |
Micro-Coax | Preliminary Allocation | Acquired Technology | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | 7 years | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | $ 10.6 | | | 10.6 | 10.6 | | | | |
Micro-Coax | Preliminary Allocation | Non-compete agreement | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | 3 years | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | $ 0.6 | | | 0.6 | 0.6 | | | | |
Micro-Coax | Adjustment | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Total consideration transferred | | | | | | | | (1) | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Prepaid expenses and other current assets | | | | | (0.1) | | | (0.1) | (0.1) | | | | |
Property, plant and equipment | | | | | (14) | | | (14) | (14) | | | | |
Definite-lived intangible assets | | | | | (5.3) | | | (5.3) | (5.3) | | | | |
Indefinite-lived intangible assets | | | | | (1.1) | | | (1.1) | (1.1) | | | | |
Accrued expenses | | | | | (0.1) | | | (0.1) | (0.1) | | | | |
Total identifiable net assets | | | | | (20.6) | | | (20.6) | (20.6) | | | | |
Goodwill | | | | | 19.6 | | | 19.6 | 19.6 | | | | |
Finishing Brands | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Percentage of ownership interest acquired | | | | 100.00% | | | | | | | | | |
Aggregate cash purchase price, net of cash acquired | | | | $ 598.9 | | | | | | | | | |
Cash acquired in business combination | | | | 12.2 | | | | | | | | | |
Total consideration transferred | | | | | | $ 611.1 | | | | | | | |
Business combination gross receivables | | | | 60 | | | | | | | | | |
Receivables not expected to be collected | | | | 1.5 | | | | | | | | | |
Goodwill deductible for tax purpose | | | | 132.9 | | | | | | | | | |
Deferred tax liability related to intangible assets | | | | 28.2 | | | | | | | | | |
Business Acquisition, Pro Forma Information [Abstract] | | | | | | | | | | | | | |
Net sales | | | | | | | $ 973.1 | | | 2,728.2 | | | |
Income from continuing operations | | | | | | | $ 103.6 | | | $ 250.5 | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Cash and cash equivalents | | | | | | 12.2 | | | | | | | |
Receivables | | | | | | 58.5 | | | | | | | |
Inventories | | | | | | 43.1 | | | | | | | |
Prepaid expenses and other current assets | | | | | | 6.2 | | | | | | | |
Property, plant and equipment | | | | | | 40.8 | | | | | | | |
Definite-lived intangible assets | | | | | | 216 | | | | | | | |
Indefinite-lived intangible assets | | | | | | 125 | | | | | | | |
Deferred income tax assets | | | | | | 0.7 | | | | | | | |
Other long-term assets | | | | | | 3.5 | | | | | | | |
Line of credit | | | | | | (1.4) | | | | | | | |
Accounts payable | | | | | | (16.3) | | | | | | | |
Income tax payable | | | | | | (2) | | | | | | | |
Accrued expenses | | | | | | (15.6) | | | | | | | |
Deferred income tax liabilities | | | | | | (28.2) | | | | | | | |
Other long-term liabilities | | | | | | (6.3) | | | | | | | |
Total identifiable net assets | | | | | | 436.2 | | | | | | | |
Goodwill | | | | | | 174.9 | | | | | | | |
Finishing Brands | Other long-term assets | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Indemnification asset | | | | 3 | | | | | | | | | |
Finishing Brands | Trade names | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Indefinite-lived intangible assets | | | | $ 125 | | | | | | | | | |
Finishing Brands | Customer relationships | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | 15 years | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | $ 186 | | | | | | | | | |
Finishing Brands | Acquired Technology | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | $ 30 | | | | | | | | | |
Finishing Brands | Acquired Technology | Minimum | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | 5 years | | | | | | | | | |
Finishing Brands | Acquired Technology | Maximum | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | 8 years | | | | | | | | | |
Finishing Brands | Preliminary Allocation | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Total consideration transferred | | | | $ 610.6 | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Cash and cash equivalents | | | | 12.2 | | | | | | | | | |
Receivables | | | | 57.3 | | | | | | | | | |
Inventories | | | | 40.9 | | | | | | | | | |
Prepaid expenses and other current assets | | | | 6.4 | | | | | | | | | |
Property, plant and equipment | | | | 41 | | | | | | | | | |
Definite-lived intangible assets | | | | 216 | | | | | | | | | |
Indefinite-lived intangible assets | | | | 125 | | | | | | | | | |
Deferred income tax assets | | | | 1.9 | | | | | | | | | |
Other long-term assets | | | | 3.8 | | | | | | | | | |
Line of credit | | | | (1.4) | | | | | | | | | |
Accounts payable | | | | (16.3) | | | | | | | | | |
Income tax payable | | | | (1.9) | | | | | | | | | |
Accrued expenses | | | | (15.6) | | | | | | | | | |
Deferred income tax liabilities | | | | (28.8) | | | | | | | | | |
Other long-term liabilities | | | | (5.6) | | | | | | | | | |
Total identifiable net assets | | | | 434.9 | | | | | | | | | |
Goodwill | | | | $ 175.7 | | | | | | | | | |
Finishing Brands | Adjustment | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Total consideration transferred | | | | | | 0.5 | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Receivables | | | | | | 1.2 | | | | | | | |
Inventories | | | | | | 2.2 | | | | | | | |
Prepaid expenses and other current assets | | | | | | (0.2) | | | | | | | |
Property, plant and equipment | | | | | | (0.2) | | | | | | | |
Deferred income tax assets | | | | | | (1.2) | | | | | | | |
Other long-term assets | | | | | | (0.3) | | | | | | | |
Income tax payable | | | | | | (0.1) | | | | | | | |
Deferred income tax liabilities | | | | | | 0.6 | | | | | | | |
Other long-term liabilities | | | | | | (0.7) | | | | | | | |
Total identifiable net assets | | | | | | 1.3 | | | | | | | |
Goodwill | | | | | | $ (0.8) | | | | | | | |
MS | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Percentage of ownership interest acquired | | 100.00% | | | | | | | | | 100.00% | | |
Total consideration transferred | | SFr 12.3 | $ 12.4 | | | | | | | | | | |
Contingent consideration | | SFr 4.3 | | | | | | | | | $ 4.3 | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | | | | 9.8 | | |
Indefinite-lived intangible assets | | | | | | | | | | | 4.2 | | |
Deferred income tax liabilities | | | | | | | | | | | (2.7) | | |
Goodwill | | | | | | | | | | | 2.7 | | |
MS | Customer relationships | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | 10 years | 10 years | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | | | | 1.4 | | |
MS | Acquired Technology | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | 7 years | 7 years | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | | | | $ 8.4 | | |
LHi Technology | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Indemnification asset | | | | | | | | | | | | | $ 8.7 |
LHi Technology | Adjustment | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | |
Contingent consideration | | | | | (2.6) | | | (2.6) | (2.6) | | | | |
Indemnification asset | | | | | (2.6) | | | (2.6) | (2.6) | | | | |
Carlisle Fluid Technologies | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | |
Goodwill | | | | | $ 174.7 | | | $ 174.7 | $ 174.7 | | | $ 173.4 | |