Recent Accounting Pronouncements (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income	[1]	$ (51.8)	$ (43.3)	$ (63.5)	$ (50.5)
Net sales		498.8	490.0	904.6	849.8
Cost of products sold		336.4	321.2	614.7	570.1
Income Tax Expense (Benefit)		18.3	14.6	14.0	11.1
Net income		25.7	23.5	36.1	27.1
Accounts receivable, net		432.2		432.2		$ 469.3
Inventories		319.2		319.2		254.2
Other current assets		53.4		53.4		29.2
Accrued customer program liabilities		108.0		108.0		141.1
Other current liabilities		104.3		104.3		113.8
Deferred income taxes		170.0		170.0		177.1
Accumulated deficit		(714.8)		(714.8)		(739.2)
Accounting Standards Update 2017-07 | Adjustments due to ASU 2014-09 & 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income			$ 2.1		$ 4.2	8.5
Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Inventories							$ 250.7
Other current assets							36.1
Accrued customer program liabilities							142.2
Other current liabilities							113.9
Deferred income taxes							177.7
Accumulated deficit							$ (737.6)
Accounting Standards Update 2014-09 | Adjustments due to ASU 2014-09 & 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax						1.6
Inventories						(3.5)
Other current assets						6.9
Accrued customer program liabilities						1.1
Other current liabilities						0.1
Deferred income taxes						0.6
Accumulated deficit						$ 1.6
Accounting Standards Update 2014-09 | Balances without adoption of ASU 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		499.3		905.0
Cost of products sold		336.5		614.9
Income Tax Expense (Benefit)		18.4		14.1
Net income		26.0		36.2
Accounts receivable, net		429.1		429.1
Inventories		322.6		322.6
Other current assets		46.9		46.9
Accrued customer program liabilities		107.7		107.7
Other current liabilities		100.4		100.4
Deferred income taxes		169.5		169.5
Accumulated deficit		(716.3)		(716.3)
Accounting Standards Update 2014-09 | Effect of Change Higher/(Lower)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		(0.5)		(0.4)
Cost of products sold		(0.1)		(0.2)
Income Tax Expense (Benefit)		(0.1)		(0.1)
Net income		(0.3)		(0.1)
Accounts receivable, net		3.1		3.1
Inventories		(3.4)		(3.4)
Other current assets		6.5		6.5
Accrued customer program liabilities		0.3		0.3
Other current liabilities		3.9		3.9
Deferred income taxes		0.5		0.5
Accumulated deficit		$ 1.5		$ 1.5
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
General payment terms				30 days
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
General payment terms				90 days

[1] Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.