CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (319.9)	$ (295.6)	$ (76.7)
Foreign currency translation adjustments:
Other comprehensive (loss) income, net of tax of $0.0 for 2018, 2017 and 2016	(378.0)	241.1	204.6
Pension and post-retirement plans:
Other comprehensive income before reclassifications, net of tax (benefit) expense of $(1.6), $2.2 and $0.9 for 2018, 2017 and 2016, respectively	1.8	2.5	7.5
Reclassifications, net of tax expense of $2.1 for 2017	0.0	8.4	0.0
Total pension and post-retirement plans	1.8	10.9	7.5
Unrealized (loss) gain on available for sale securities:
Other comprehensive loss before reclassifications, net of tax benefit of $0.4 and $0.6 for 2017 and 2016, respectively		(2.2)	(0.8)
Reclassifications, net of tax expense of $0.0 for 2017 and 2016		0.5	0.0
Total unrealized loss on available for sale securities		(1.7)	(0.8)
Derivative financial instrument revaluation:
Other comprehensive income (loss) before reclassifications, net of tax expense of $1.5, $4.3 and $0.0 for 2018, 2017 and 2016, respectively	6.0	(4.6)	(9.6)
Reclassifications, net of tax of $0.0 for 2018, 2017 and 2016, respectively	(0.5)	10.4	11.9
Total unrealized gain arising on qualified hedging derivatives	5.5	5.8	2.3
Other comprehensive (loss) income	(370.7)	256.1	213.6
Comprehensive (loss) income	(690.6)	(39.5)	136.9
Comprehensive loss (income) attributable to the non-controlling interests	30.0	(4.2)	1.0
Comprehensive (loss) income attributable to stockholders	$ (660.6)	$ (43.7)	$ 137.9