The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt (Credit Agreement and Senior Notes Due) (Details)	Sep. 27, 2014 USD ($)	Dec. 28, 2013 USD ($)	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] USD ($)	Dec. 28, 2013 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] USD ($)	Sep. 27, 2014 Senior Notes [Member] Senior Notes 8.5% due 2018 [Member] USD ($)	Dec. 28, 2013 Senior Notes [Member] Senior Notes 8.5% due 2018 [Member] USD ($)	Sep. 27, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 Term Loan B Facility [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Term Loan B Facility [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 Revolving Credit Facility [Member] Line of Credit [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Revolving Credit Facility [Member] Line of Credit [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 Letter of Credit [Member] Senior Secured Facilities [Member] USD ($)	Dec. 28, 2013 Letter of Credit [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 London Interbank Offered Rate (LIBOR) [Member] Term Loan A Facility [Member] Senior Secured Facilities [Member]	Sep. 27, 2014 London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 Canada, Dollars Term Loan A Facility [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 2014 Canada, Dollars Term Loan A Facility [Member] Senior Secured Facilities [Member] CAD	Sep. 27, 2014 Canada, Dollars Canadian Dealer Offered Rate (CDOR) [Member] Term Loan A Facility [Member] Senior Secured Facilities [Member]	Sep. 27, 2014 Canada, Dollars Canadian Dealer Offered Rate (CDOR) [Member] Revolving Credit Facility [Member] Senior Secured Facilities [Member] USD ($)	Sep. 27, 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%				3.873%
Outstanding borrowings	$ 2,283,227,000	$ 886,835,000	$ 500,000,000	$ 0	$ 0	$ 250,000,000	$ 326,636,000	$ 340,030,000	$ 1,246,234,000	$ 0				$ 178,204,000	$ 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					34,871,000	32,662,000		135,000,000	131,600,000	146,300,000		43,200,000	48,000,000
Availability												$ 786,925,000	$ 680,662,000