Accumulated Other Comprehensive Income (Loss) - Reclassification out of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative	$ (67.0)	$ (62.8)	$ (200.5)	$ (206.0)
Total	6.7	35.5	2.5	61.8
Tax benefit	(3.7)	(14.7)	(9.0)	(28.7)
Net income (loss)	3.0	20.8	(6.5)	33.1
Reclassification out of Accumulated Other Comprehensive Income | Pension and Other Post-Employment Benefits
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	0.5	0.1	1.4	0.5
Tax benefit	(0.2)	0.0	(0.5)	(0.2)
Net income (loss)	0.3	0.1	0.9	0.3
Reclassification out of Accumulated Other Comprehensive Income | Amortization of actuarial (gain) losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative	0.5	0.1	1.4	0.3
Reclassification out of Accumulated Other Comprehensive Income | Settlement loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative	$ 0.0	$ 0.0	$ 0.0	$ 0.2