Supplemental Guarantor Financial Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 150.7	$ 158.4
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(23.8)	(45.7)
Proceeds from sale of business	3.6	0.0
Acquisitions, net of cash acquired	(310.4)	0.0
Receipts from settlements of derivative contracts	0.0	9.3
Proceeds from sale of property, plant, and equipment	0.8	26.6
Other	(2.9)	(2.0)
Net cash used in investing activities	(332.7)	(11.8)
FINANCING ACTIVITIES
Net payments on loans between subsidiaries	0.0	0.0
Intercompany dividends		0.0
Proceeds from debt	566.9	454.9
Repayments of debt	(365.1)	(594.4)
Repurchase of common stock	(15.0)	(50.0)
Dividends paid	(15.7)	(15.3)
Other	(5.0)	(6.7)
Net cash provided by (used in) financing activities	166.1	(211.5)
Effect of exchange rate changes on cash and cash equivalents	(1.6)	(4.5)
Net decrease in cash and cash equivalents	(17.5)	(69.4)
Cash and cash equivalents at beginning of period	129.6	189.3
Cash and cash equivalents at end of period	112.1	119.9
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(18.5)	(114.3)
INVESTING ACTIVITIES
Purchases of property, plant and equipment	0.0	0.0
Proceeds from sale of business	0.0
Acquisitions, net of cash acquired	0.0
Receipts from settlements of derivative contracts		0.0
Proceeds from sale of property, plant, and equipment	0.0	0.0
Other	0.0	0.0
Net cash used in investing activities	0.0	0.0
FINANCING ACTIVITIES
Net payments on loans between subsidiaries	0.0	0.0
Intercompany dividends	18.5	114.3
Proceeds from debt	0.0	0.0
Repayments of debt	0.0	0.0
Repurchase of common stock	0.0	0.0
Dividends paid	0.0	0.0
Other	0.0	0.0
Net cash provided by (used in) financing activities	18.5	114.3
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Net decrease in cash and cash equivalents	0.0	0.0
Cash and cash equivalents at beginning of period	0.0	0.0
Cash and cash equivalents at end of period	0.0	0.0
Parent | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	83.1	69.5
INVESTING ACTIVITIES
Purchases of property, plant and equipment	0.0	0.0
Proceeds from sale of business	0.0
Acquisitions, net of cash acquired	0.0
Receipts from settlements of derivative contracts		9.3
Proceeds from sale of property, plant, and equipment		0.0
Other	0.0	0.0
Net cash used in investing activities	0.0	9.3
FINANCING ACTIVITIES
Net payments on loans between subsidiaries	(47.4)	(8.0)
Intercompany dividends	0.0	0.0
Proceeds from debt	0.0	0.0
Repayments of debt	0.0	0.0
Repurchase of common stock	(15.0)	(50.0)
Dividends paid	(15.7)	(15.3)
Other	(5.0)	(5.5)
Net cash provided by (used in) financing activities	(83.1)	(78.8)
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Net decrease in cash and cash equivalents	0.0	0.0
Cash and cash equivalents at beginning of period	0.0	0.0
Cash and cash equivalents at end of period	0.0	0.0
Guarantor Subsidiaries | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	30.2	145.6
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(17.0)	(37.5)
Proceeds from sale of business	3.6
Acquisitions, net of cash acquired	(271.2)
Receipts from settlements of derivative contracts		0.0
Proceeds from sale of property, plant, and equipment	0.4	26.0
Other	(2.6)	(1.8)
Net cash used in investing activities	(286.8)	(13.3)
FINANCING ACTIVITIES
Net payments on loans between subsidiaries	52.5	8.4
Intercompany dividends	0.0	0.0
Proceeds from debt	566.9	454.9
Repayments of debt	(365.1)	(594.4)
Repurchase of common stock		0.0
Dividends paid		0.0
Other	0.0	(1.2)
Net cash provided by (used in) financing activities	254.3	(132.3)
Effect of exchange rate changes on cash and cash equivalents	0.0	0.0
Net decrease in cash and cash equivalents	(2.3)	0.0
Cash and cash equivalents at beginning of period	2.3	0.0
Cash and cash equivalents at end of period	0.0	0.0
Non-guarantor Subsidiaries | Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	55.9	57.6
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(6.8)	(8.2)
Proceeds from sale of business	0.0
Acquisitions, net of cash acquired	(39.2)
Receipts from settlements of derivative contracts		0.0
Proceeds from sale of property, plant, and equipment	0.4	0.6
Other	(0.3)	(0.2)
Net cash used in investing activities	(45.9)	(7.8)
FINANCING ACTIVITIES
Net payments on loans between subsidiaries	(5.1)	(0.4)
Intercompany dividends	(18.5)	(114.3)
Proceeds from debt	0.0	0.0
Repayments of debt	0.0	0.0
Repurchase of common stock		0.0
Dividends paid		0.0
Other	0.0	0.0
Net cash provided by (used in) financing activities	(23.6)	(114.7)
Effect of exchange rate changes on cash and cash equivalents	(1.6)	(4.5)
Net decrease in cash and cash equivalents	(15.2)	(69.4)
Cash and cash equivalents at beginning of period	127.3	189.3
Cash and cash equivalents at end of period	$ 112.1	$ 119.9