Debt (Schedule of Borrowings) (Details) (USD $)	Mar. 28, 2015	Jan. 03, 2015	Mar. 22, 2014
Debt Instrument [Line Items]
Long-term debt	$ 842,200,000us-gaap_LongTermDebt	$ 900,200,000us-gaap_LongTermDebt	$ 1,140,300,000us-gaap_LongTermDebt
Capital lease obligations	600,000us-gaap_CapitalLeaseObligations	600,000us-gaap_CapitalLeaseObligations	0us-gaap_CapitalLeaseObligations
Borrowings under revolving credit agreement	14,500,000us-gaap_LinesOfCreditCurrent	0us-gaap_LinesOfCreditCurrent	34,000,000us-gaap_LinesOfCreditCurrent
Total debt	857,300,000	900,800,000	1,174,300,000
Term Loan A [Member] \| October Tenth Two Thousand Eighteen [Member]
Debt Instrument [Line Items]
Long-term debt	467,200,000	525,200,000	765,300,000
Public Bonds [Member] \| October Fifteen Two Thousand Twenty [Member]
Debt Instrument [Line Items]
Long-term debt	$ 375,000,000	$ 375,000,000	$ 375,000,000

The carrying value as of the balance sheet date of the current portion 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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