Components of Changes in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance		$ (77.6)	$ (66.7)	$ (53.6)
Other comprehensive income (loss) before reclassifications		22.1	(24.4)	(27.7)
Amounts reclassified to consolidated statement of income	[1]	(8.2)	5.8	8.0
Tax benefit (expense)		(4.5)	7.7	6.6
Other comprehensive income (loss)		9.4	(10.9)	(13.1)
Ending balance		(68.2)	(77.6)	(66.7)
Foreign Currency Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance		(26.4)	(36.8)	(42.5)
Other comprehensive income (loss) before reclassifications		(3.8)	10.4	3.8
Amounts reclassified to consolidated statement of income	[1]	(0.0)	(0.0)	1.9
Tax benefit (expense)		(0.0)	(0.0)	(0.0)
Other comprehensive income (loss)		(3.8)	10.4	5.7
Ending balance		(30.2)	(26.4)	(36.8)
Defined Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance		0.0	0.0	0.9
Other comprehensive income (loss) before reclassifications		(0.8)	0.0	(1.3)
Amounts reclassified to consolidated statement of income	[1]	(0.0)	(0.0)	(0.0)
Tax benefit (expense)		0.2	(0.0)	0.4
Other comprehensive income (loss)		(0.6)	0.0	(0.9)
Ending balance		(0.6)	0.0	0.0
Derivative Agreements
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance		(51.2)	(29.9)	(12.0)
Other comprehensive income (loss) before reclassifications		26.7	(34.8)	(30.2)
Amounts reclassified to consolidated statement of income	[1]	(8.2)	5.8	6.1
Tax benefit (expense)		(4.7)	7.7	6.2
Other comprehensive income (loss)		13.8	(21.3)	(17.9)
Ending balance		$ (37.4)	$ (51.2)	$ (29.9)

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