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Debt (Additional Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 20, 2015	Jun. 14, 2014	Jun. 20, 2015	Jun. 14, 2014	Jul. 13, 2015	Jan. 03, 2015	Oct. 10, 2013
Debt Instrument [Line Items]
Long-term debt	$ 832.5	$ 1,130.6	$ 832.5	$ 1,130.6		$ 900.2
Amortization of deferred financing costs	1.0	0.9	$ 2.0	1.9
Maximum [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument							$ 1,350.0
Alternative Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.25%
Alternative Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			0.375%
Euro Currency Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			2.25%
Euro Currency Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.375%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument	200.0		$ 200.0
Outstanding letters of credit	3.6	3.3	3.6	3.3		3.6
Foreign Currency Subfacility [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	100.0		100.0
Swingline Subfacility [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	50.0		50.0
Letter of Credit Subfacility [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	50.0		50.0
Chinese Renminbi [Member]
Debt Instrument [Line Items]
Revolving credit facility amount	5.0		5.0
Borrowings under revolving credit agreement	0.0		0.0			0.0
Public Bonds [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument	$ 375.0		$ 375.0
Interest rate	6.125%		6.125%
October Tenth Two Thousand Eighteen [Member] \| Term Loan A [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument							$ 775.0
Long-term debt	$ 457.5	$ 755.6	$ 457.5	$ 755.6		$ 525.2
Debt Refinance [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument					$ 1,425.0
Debt Refinance [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument					500.0
Debt Refinance [Member] \| July Thirteenth Two Thousand Twenty [Member] [Member] \| Term Loan A [Member]
Debt Instrument [Line Items]
Aggregate principal amount debt instrument					$ 450.0