Debt (Credit Agreement and Senior Notes Due) (Details)	6 Months Ended
	Jun. 28, 2014 USD ($)	Dec. 28, 2013 USD ($)	Jun. 28, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] USD ($)	Dec. 28, 2013 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] USD ($)	Jun. 28, 2014 Senior Notes [Member] Senior Notes 8.5% due 2018 [Member] USD ($)	Dec. 28, 2013 Senior Notes [Member] Senior Notes 8.5% due 2018 [Member] USD ($)	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Term Loan B Facility [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Term Loan B Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Revolving Credit Facility [Member] Line of Credit [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Revolving Credit Facility [Member] Line of Credit [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Letter of Credit [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Letter of Credit [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 London Interbank Offered Rate (LIBOR) [Member] Term Loan A Facility [Member] Senior Secured Facilities [Member]	Jun. 28, 2014 London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Jun. 28, 2014 Canada, Dollars Term Loan A Facility [Member] Senior Secured Facilities [Member] CAD	Jun. 28, 2014 Canada, Dollars Canadian Dealer Offered Rate (CDOR) [Member] Term Loan A Facility [Member] Senior Secured Facilities [Member]	Jun. 28, 2014 Canada, Dollars Canadian Dealer Offered Rate (CDOR) [Member] Revolving Credit Facility [Member] Senior Secured Facilities [Member] CAD
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end																		2.75%			3.864%
Outstanding borrowings	$ 2,371,271,000	$ 886,835,000	$ 500,000,000	$ 0	$ 0	$ 250,000,000	$ 336,421,000	$ 340,030,000	$ 1,294,442,000	$ 0				$ 200,018,000	$ 286,676,000
Line of credit, maximum borrowing capacity												1,000,000,000	1,000,000,000			250,000,000
Line of credit outstanding											350,000,000					32,663,000	32,662,000		155,000,000	148,100,000		48,000,000
Availability												$ 767,319,000	$ 680,662,000
Percent of stock of material domestic subsidiaries pledged to secure credit agreement obligation	100.00%
Percent of capital stock of foreign subsidiary pledged to secure credit agreement obligation	65.00%