Debt (Senior Secured Credit Facilities) (Details)		6 Months Ended								6 Months Ended										6 Months Ended				6 Months Ended		6 Months Ended			6 Months Ended
	Jun. 28, 2014 USD ($)	Jun. 28, 2014 Senior Secured Facilities [Member]	Jun. 28, 2014 Secured Debt [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 28, 2014 Secured Debt [Member] Senior Secured Facilities [Member] Canadian Dealer Offered Rate (CDOR) [Member] Canada, Dollars	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] Canada, Dollars CAD	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] U.S. dollar USD ($)	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] Canadian Dealer Offered Rate (CDOR) [Member] Canada, Dollars	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] Quarters One Thru Eight [Member]	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] Quarters Nine Thru Sixteen [Member]	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] Quarter Seventeen and Ongoing [Member]	Jun. 28, 2014 Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Revolving Credit Facility [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member] USD ($)	Jun. 28, 2014 Revolving Credit Facility [Member] Senior Secured Facilities [Member] Canadian Dealer Offered Rate (CDOR) [Member] Canada, Dollars CAD	Jun. 28, 2014 Letter of Credit [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Letter of Credit [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Swingline Sub-Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Term Loan B Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Term Loan B Facility [Member] Senior Secured Facilities [Member] U.S. dollar USD ($)	Jun. 28, 2014 Term Loan B Facility [Member] Senior Secured Facilities [Member] Euro EUR (€)	Jun. 28, 2014 Term Loan B Facility [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 28, 2014 Term Loan B Facility [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member] Euro	Jun. 28, 2014 Secured Debt [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Secured Debt [Member] Term Loan A Facility [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 28, 2014 Secured Debt [Member] Term Loan A Facility [Member] Senior Secured Facilities [Member] Canadian Prime Rate [Member]	Jun. 28, 2014 Secured Debt [Member] Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Secured Debt [Member] Term Loan B Facility [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member] U.S. dollar	Jun. 28, 2014 Secured Debt [Member] Term Loan B Facility [Member] Senior Secured Facilities [Member] London Interbank Offered Rate (LIBOR) [Member] Eurodollar [Member]	Jun. 28, 2014 Secured Debt [Member] Term Loan B Facility [Member] Senior Secured Facilities [Member] Euro Interbank Offered Rate [Member] Eurodollar [Member]	Jun. 28, 2014 Secured Debt [Member] Term Loan B Facility [Member] Senior Secured Facilities [Member] Base Rate [Member] U.S. dollar	Jun. 28, 2014 United States Secured Debt [Member] Term Loan B Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 International Secured Debt [Member] Term Loan B Facility [Member] Senior Secured Facilities [Member] USD ($)
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity													$ 1,000,000,000	$ 1,000,000,000			$ 250,000,000		$ 50,000,000						$ 2,650,000,000
Face amount of debt instrument					350,000,000															1,300,000,000
Line of credit term		5 years
Company availability under revolving loan facility													767,319,000	680,662,000														350,000,000.0
Line of credit outstanding					350,000,000	148,100,000	197,500,000								155,000,000	48,000,000	32,663,000	32,662,000		1,300,000,000	600,000,000	510,000,000											600,000,000	700,000,000
Debt periodic payment, percent of principal										1.25%	1.875%	3.75%								0.25%
Basis spread on variable rate			2.50%	2.50%																				2.75%		2.50%	1.50%		2.50%	0.75%	2.75%	1.50%
Line of credit facility, interest rate at period end			2.6875%	3.84%				2.75%	3.864%														3.25%	3.50%
Deferred loan costs	$ 36,100,000