Comprehensive Income and Equity - Schedule of Change in Equity (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 158.7	$ 67.0
Net loss	(2.5)	12.5
Issuance of common stock	0.2	0.3
Employee stock plans	2.5	2.9
Other comprehensive (loss) income
Currency translation adjustment	(23.3)	1.8
Unrealized loss on cash flow hedges	(25.4)	6.2
Unrecognized pension net loss	0.2	0.2
Repurchases of common stock	(1.2)	(0.8)
Balance	109.2	90.1
Common Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	0.2	0.2
Net loss	0.0	0.0
Issuance of common stock	0.0	0.0
Employee stock plans	0.0	0.0
Other comprehensive (loss) income
Currency translation adjustment	0.0	0.0
Unrealized loss on cash flow hedges	0.0	0.0
Unrecognized pension net loss	0.0	0.0
Repurchases of common stock	(0.0)	(0.0)
Balance	0.2	0.2
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	221.9	206.0
Net loss	0.0	0.0
Issuance of common stock	0.2	0.3
Employee stock plans	2.5	2.9
Other comprehensive (loss) income
Currency translation adjustment	0.0	0.0
Unrealized loss on cash flow hedges	0.0	0.0
Unrecognized pension net loss	0.0	0.0
Repurchases of common stock	(0.0)	(0.2)
Balance	224.7	209.0
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	93.8	27.2
Net loss	(1.4)	11.6
Issuance of common stock	0.0	0.0
Employee stock plans	0.0	0.0
Other comprehensive (loss) income
Currency translation adjustment	0.0	0.0
Unrealized loss on cash flow hedges	0.0	0.0
Unrecognized pension net loss	0.0	0.0
Repurchases of common stock	(0.0)	0.1
Balance	92.4	38.9
Accumulated Other Comprehensive (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(77.7)	(87.2)
Net loss	0.0	0.0
Issuance of common stock	0.0	0.0
Employee stock plans	0.0	0.0
Other comprehensive (loss) income
Currency translation adjustment	(23.2)	1.5
Unrealized loss on cash flow hedges	(25.4)	6.2
Unrecognized pension net loss	0.2	0.2
Repurchases of common stock	(0.0)	0.1
Balance	(126.1)	(79.2)
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(90.9)	(90.0)
Net loss	0.0	0.0
Issuance of common stock	0.0	0.0
Employee stock plans	0.0	0.0
Other comprehensive (loss) income
Currency translation adjustment	0.0	0.0
Unrealized loss on cash flow hedges	0.0	0.0
Unrecognized pension net loss	0.0	0.0
Repurchases of common stock	(1.2)	(0.8)
Balance	(92.1)	(90.8)
Noncontrolling Interests [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	11.4	10.8
Net loss	(1.1)	0.9
Issuance of common stock	0.0	0.0
Employee stock plans	0.0	0.0
Other comprehensive (loss) income
Currency translation adjustment	(0.2)	0.3
Unrealized loss on cash flow hedges	0.0	0.0
Unrecognized pension net loss	0.0	0.0
Repurchases of common stock	(0.0)	(0.0)
Balance	$ 10.1	$ 12.0