Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Equity [Abstract]
Cumulative translation adjustments	[1]	$ (381.2)	$ (230.5)	$ (493.5)
Net (loss) gain of cash flow hedge derivatives	[1]		(0.8)	8.1
Net pension liability	[1]	(55.0)	(56.2)	(80.1)
Distribution to Veoneer	[1]	13.0
Total (ending balance)	[1]	(423.2)	(287.5)	(565.5)
Deferred taxes on the pension liability	[1]	$ 15.4	$ 16.5	$ 35.3

[1] The components of Other Comprehensive Income (Loss) are net of any related income tax effects.