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Debt - Schedule of Debt Summarized (Details) - USD ($) $ in Millions	Sep. 30, 2018	Sep. 25, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total debt	$ 640.8		$ 684.2
Other	0.0		1.5
Debt issuance costs	(7.2)		(5.8)
Less: Current debt	(3.2)		(5.1)
Long-term debt	637.6		679.1
Corporate Bond Securities [Member]
Debt Instrument [Line Items]
Discount	7.8
Deferred Profit Sharing [Member]
Debt Instrument [Line Items]
Total debt	6.7		9.1
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Total debt	4.6		4.1
Revolving Credit Agreement - U.S. dollar borrowings [Member] | Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Total debt	91.0	$ 96.0	344.5
Euro Revolver [Member] | Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Total debt	3.5		26.4
Term Loan Facility [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Total debt	200.0		0.0
Term Loan A-1 [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Total debt	0.0		60.0
Term Loan A-2 [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Total debt	0.0		244.4
6.875% Senior Unsecured Notes Due 2026 [Member] | Corporate Bond Securities [Member]
Debt Instrument [Line Items]
Total debt	$ 342.2		$ 0.0
Interest rate		6.875%

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