Supplemental Guarantor Condensed Consolidating Financial Statements (Cash Flows) (Details) - USD ($) $ in Millions | 6 Months Ended |
Feb. 28, 2018 | Feb. 28, 2017 |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | $ 178.3 | $ 90 |
Cash flows from investing activities: | | |
Purchases of property, plant, and equipment | (20.9) | (35.8) |
Proceeds from sale of property, plant, and equipment | 0 | 5.4 |
Investments in subsidiaries | 0 | |
Acquisition of businesses, net of cash acquired | (26.4) | 0 |
Proceeds from sale of investment in unconsolidated affiliate | 0 | 13.2 |
Other investing activities | 0 | (0.2) |
Net cash used for investing activities | (47.3) | (17.4) |
Cash flows from financing activities: | | |
Repayments of long-term debt | (0.2) | 0 |
Issuance of long-term debt | 0 | 0.9 |
Proceeds from stock option exercises and other | 1.4 | 2.3 |
Repurchases of common stock | (194.3) | (0.4) |
Employee taxes on net settlement of equity awards | (6.7) | (12.2) |
Intercompany capital | 0 | |
Dividends paid | (10.9) | (11.5) |
Net cash used for financing activities | (210.7) | (20.9) |
Effect of exchange rates changes on cash | (1.6) | (1.7) |
Net change in cash and cash equivalents | (81.3) | 50 |
Cash and cash equivalents at beginning of period | 311.1 | 413.2 |
Cash and cash equivalents at end of period | 229.8 | 463.2 |
Parent | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 141.8 | 53.5 |
Cash flows from investing activities: | | |
Purchases of property, plant, and equipment | 0 | 0 |
Proceeds from sale of property, plant, and equipment | | 0 |
Investments in subsidiaries | (26.4) | |
Acquisition of businesses, net of cash acquired | 0 | |
Proceeds from sale of investment in unconsolidated affiliate | | 0 |
Other investing activities | | 0 |
Net cash used for investing activities | (26.4) | 0 |
Cash flows from financing activities: | | |
Repayments of long-term debt | 0 | |
Issuance of long-term debt | | 0 |
Proceeds from stock option exercises and other | 1.4 | 2.3 |
Repurchases of common stock | (194.3) | (0.4) |
Employee taxes on net settlement of equity awards | (6.7) | (12.2) |
Intercompany capital | 0 | |
Dividends paid | (10.9) | (11.5) |
Net cash used for financing activities | (210.5) | (21.8) |
Effect of exchange rates changes on cash | 0 | 0 |
Net change in cash and cash equivalents | (95.1) | 31.7 |
Cash and cash equivalents at beginning of period | 237.7 | 368.2 |
Cash and cash equivalents at end of period | 142.6 | 399.9 |
Subsidiary Issuer | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 14.4 | 15.8 |
Cash flows from investing activities: | | |
Purchases of property, plant, and equipment | (15.2) | (29.8) |
Proceeds from sale of property, plant, and equipment | | 0 |
Investments in subsidiaries | 0 | |
Acquisition of businesses, net of cash acquired | 0 | |
Proceeds from sale of investment in unconsolidated affiliate | | 13.2 |
Other investing activities | | (0.2) |
Net cash used for investing activities | (15.2) | (16.8) |
Cash flows from financing activities: | | |
Repayments of long-term debt | 0 | |
Issuance of long-term debt | | 0 |
Proceeds from stock option exercises and other | 0 | 0 |
Repurchases of common stock | 0 | 0 |
Employee taxes on net settlement of equity awards | 0 | 0 |
Intercompany capital | 0 | |
Dividends paid | 0 | 0 |
Net cash used for financing activities | 0 | 0 |
Effect of exchange rates changes on cash | 0.8 | 1 |
Net change in cash and cash equivalents | 0 | 0 |
Cash and cash equivalents at beginning of period | 0 | 0 |
Cash and cash equivalents at end of period | 0 | 0 |
Subsidiary Guarantor | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 0 | 0 |
Cash flows from investing activities: | | |
Purchases of property, plant, and equipment | 0 | 0 |
Proceeds from sale of property, plant, and equipment | | 0 |
Investments in subsidiaries | 0 | |
Acquisition of businesses, net of cash acquired | 0 | |
Proceeds from sale of investment in unconsolidated affiliate | | 0 |
Other investing activities | | 0 |
Net cash used for investing activities | 0 | 0 |
Cash flows from financing activities: | | |
Repayments of long-term debt | 0 | |
Issuance of long-term debt | | 0 |
Proceeds from stock option exercises and other | 0 | 0 |
Repurchases of common stock | 0 | 0 |
Employee taxes on net settlement of equity awards | 0 | 0 |
Intercompany capital | 0 | |
Dividends paid | 0 | 0 |
Net cash used for financing activities | 0 | 0 |
Effect of exchange rates changes on cash | 0 | 0 |
Net change in cash and cash equivalents | 0 | 0 |
Cash and cash equivalents at beginning of period | 0 | 0 |
Cash and cash equivalents at end of period | 0 | 0 |
Non- Guarantors | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 22.1 | 20.7 |
Cash flows from investing activities: | | |
Purchases of property, plant, and equipment | (5.7) | (6) |
Proceeds from sale of property, plant, and equipment | | 5.4 |
Investments in subsidiaries | 0 | |
Acquisition of businesses, net of cash acquired | (26.4) | |
Proceeds from sale of investment in unconsolidated affiliate | | 0 |
Other investing activities | | 0 |
Net cash used for investing activities | (32.1) | (0.6) |
Cash flows from financing activities: | | |
Repayments of long-term debt | (0.2) | |
Issuance of long-term debt | | 0.9 |
Proceeds from stock option exercises and other | 0 | 0 |
Repurchases of common stock | 0 | 0 |
Employee taxes on net settlement of equity awards | 0 | 0 |
Intercompany capital | 26.4 | |
Dividends paid | 0 | 0 |
Net cash used for financing activities | 26.2 | 0.9 |
Effect of exchange rates changes on cash | (2.4) | (2.7) |
Net change in cash and cash equivalents | 13.8 | 18.3 |
Cash and cash equivalents at beginning of period | 73.4 | 45 |
Cash and cash equivalents at end of period | 87.2 | 63.3 |
Consolidating Adjustments | | |
Condensed Financial Statements, Captions [Line Items] | | |
Net cash provided by operating activities | 0 | 0 |
Cash flows from investing activities: | | |
Purchases of property, plant, and equipment | 0 | 0 |
Proceeds from sale of property, plant, and equipment | | 0 |
Investments in subsidiaries | 26.4 | |
Acquisition of businesses, net of cash acquired | 0 | |
Proceeds from sale of investment in unconsolidated affiliate | | 0 |
Other investing activities | | 0 |
Net cash used for investing activities | 26.4 | 0 |
Cash flows from financing activities: | | |
Repayments of long-term debt | 0 | |
Issuance of long-term debt | | 0 |
Proceeds from stock option exercises and other | 0 | 0 |
Repurchases of common stock | 0 | 0 |
Employee taxes on net settlement of equity awards | 0 | 0 |
Intercompany capital | (26.4) | |
Dividends paid | 0 | 0 |
Net cash used for financing activities | (26.4) | 0 |
Effect of exchange rates changes on cash | 0 | 0 |
Net change in cash and cash equivalents | 0 | 0 |
Cash and cash equivalents at beginning of period | 0 | 0 |
Cash and cash equivalents at end of period | $ 0 | $ 0 |