Components of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020		Sep. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance				$ (66.7)		$ (53.6)
Other comprehensive income (loss) before reclassifications				(37.1)		(41.2)
Amounts reclassified to consolidated statement of income		$ 2.2	$ 2.8	4.1	[1],[2]	5.7	[1],[2]
Tax benefit (expense)				8.9		8.4
Other comprehensive income (loss)				(24.1)		(27.1)
Ending balance		(90.8)	(80.7)	(90.8)		(80.7)
Foreign Currency Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance				(36.8)		(42.5)
Other comprehensive income (loss) before reclassifications				(0.4)		(4.1)
Amounts reclassified to consolidated statement of income	[1],[2]			(0.0)		1.9
Tax benefit (expense)				(0.0)		(0.0)
Other comprehensive income (loss)				(0.4)		(2.2)
Ending balance		(37.2)	(44.7)	(37.2)		(44.7)
Defined Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance				0.0		0.9
Other comprehensive income (loss) before reclassifications				0.0		0.0
Amounts reclassified to consolidated statement of income	[1],[2]			(0.0)		(0.0)
Tax benefit (expense)				(0.0)		(0.0)
Other comprehensive income (loss)				0.0		0.0
Ending balance		0.0	0.9	0.0		0.9
Derivative Agreements
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance				(29.9)		(12.0)
Other comprehensive income (loss) before reclassifications				(36.7)		(37.1)
Amounts reclassified to consolidated statement of income	[1],[2]			4.1		3.8
Tax benefit (expense)				8.9		8.4
Other comprehensive income (loss)				(23.7)		(24.9)
Ending balance		$ (53.6)	$ (36.9)	$ (53.6)		$ (36.9)

[1] The Company reclassified a loss of $2.2 and a loss of $2.8 to the condensed consolidated statement of income during the three months ended September 30, 2020 and 2019, respectively.

[2] Amounts reclassified to cost of sales, selling, general and administrative expenses or interest expense.