Shareholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				$ 240.8
Total other comprehensive income (loss), net of tax		$ 2.1	$ 3.2	(3.7)	$ (1.7)
Ending balance		204.4		204.4
Income tax benefit for unrealized gains on derivative financial instruments				1.2
Selling, general and administrative		38.6	44.3	79.6	87.7
Restructuring and other		1.5	5.2	2.7	7.3
Income tax expense (benefit)		0.2	(1.6)	0.3	(1.6)
Net loss		17.4	$ 21.4	31.8	$ 38.9
Gains (Losses) on Derivative Financial Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				5.1
Other comprehensive income (loss) before reclassifications, net of tax	[1]			3.1
Amounts reclassified from accumulated other comprehensive income (loss), net of tax				(3.6)
Total other comprehensive income (loss), net of tax				(0.5)
Ending balance		4.6		4.6
Defined Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				(20.6)
Other comprehensive income (loss) before reclassifications, net of tax	[1]			0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax				0.3
Total other comprehensive income (loss), net of tax				0.3
Ending balance		(20.3)		(20.3)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				(69.3)
Other comprehensive income (loss) before reclassifications, net of tax	[1]			(3.5)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax				0.0
Total other comprehensive income (loss), net of tax				(3.5)
Ending balance		(72.8)		(72.8)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				(84.8)
Other comprehensive income (loss) before reclassifications, net of tax	[1]			(0.4)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax				(3.3)
Total other comprehensive income (loss), net of tax				(3.7)
Ending balance		(88.5)		(88.5)
Reclassification out of Accumulated Other Comprehensive Income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Net loss		(1.1)		(3.3)
Reclassification out of Accumulated Other Comprehensive Income | Gains (Losses) on Derivative Financial Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Cost of goods sold		(2.0)		(5.3)
Income tax expense (benefit)		0.7		1.7
Net loss		(1.3)		(3.6)
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Selling, general and administrative		0.2		0.4
Restructuring and other		0.0		0.0
Income tax expense (benefit)		0.0		(0.1)
Net loss		$ 0.2		$ 0.3

[1] Income tax benefit of $1.2 million was recorded for unrealized gains on derivative financial instruments for the six months ended June 30, 2015.