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Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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Expense related to distribution, servicing and underwriting fees.

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Maturity period on variable rate advances made and reported by Federal Home Loan Bank (FHLBank), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Long-Term Debt (Narrative) (Details) $ in Millions			12 Months Ended
Long-Term Debt (Narrative) (Details) $ in Millions	Nov. 24, 2014 USD ($)	Oct. 30, 2014	Dec. 30, 2016 USD ($)	Jan. 01, 2016 USD ($)	Jan. 02, 2015 USD ($)
Debt Instrument [Line Items]
Proceeds from Issuance of Debt			$ 355.0	$ 555.0	$ 876.2
Long-term Debt			619.9	729.7
Repayments of Debt			$ 465.3	555.2	900.1
Federal Home Loan Bank, Advances, Maturity Period, Variable Rate			1 month
Long-term Debt, Excluding Current Maturities			$ 489.6	611.4
Debt Instrument, Redemption, Prior to Sept 1, 2024 [Member] \| US Treasury Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Credit facility interest margin on stated base rate			0.40%
Promissory Notes And Other [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 0.8	1.2
Promissory Notes And Other [Member] \| Long-term Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities			0.5	0.9
Uncommitted Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt			130.0	118.0
Uncommitted Facilities [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity			$ 75.0
Credit facility interest margin on stated base rate			1.00%
Number Of Revolving Loan Facilities			2
Short-term Debt			$ 130.0	$ 118.0
Short-term Debt, Weighted Average Interest Rate			1.65%	1.37%
Senior Notes 4.75% December 2024 [Member] \| Debt Instrument, Redemption, Prior to Sept 1, 2024 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			100.00%
Senior Notes 4.75% December 2024 [Member] \| Debt Instrument, Redemption, After Sept 1, 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			100.00%
Senior Notes 4.75% December 2024 [Member] \| Change of Control Period [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage			101.00%
Senior Notes 4.75% December 2024 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Notes Shelf Registration date		Oct. 30, 2014
Debt Instrument, Issuance Date	Nov. 24, 2014
Debt Instrument, Face Amount	$ 400.0
Proceeds from Issuance of Debt					$ 396.9
Discount on Notes Offering Price, Percentage					0.795%
Debt Issuance Cost					$ 3.0
Underwriting discount					2.6
Debt Instrument, Maturity Date			Dec. 01, 2024
Debt Instrument, Interest Rate, Stated Percentage			4.75%
2012 Credit Facility [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility term period, years	5 years
Line of Credit Facility, Current Borrowing Capacity	$ 700.0
2012 Credit Facility [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Credit facility term period, years	5 years
Line of Credit Facility, Current Borrowing Capacity	$ 700.0
Repayments of Debt					638.8
2014 Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Initiation Date			Nov. 24, 2014
Credit facility term period, years	5 years
Recognition of Debt Issuance Costs					1.6
Unsecured revolving credit facility, expiration date			Nov. 24, 2019
Covenant Ratio - Minimum Interest Coverage			3.50
Covenant Ratio - Maximum Leverage			3.00
Covenant Ratio Increase upon acquisition			0.50
Debt Instrument, Covenant Compliance			The Company was in compliance with these covenants at the end of fiscal 2016.
2014 Credit Facility [Member] \| Reserve-Adjusted Fixed Per Annum Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Credit facility interest margin on stated base rate			1.00%
2014 Credit Facility [Member] \| Reserve-Adjusted Fixed Per Annum Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Credit facility interest margin on stated base rate			1.75%
2014 Credit Facility [Member] \| Federal Funds Effective Swap Rate [Member]
Debt Instrument [Line Items]
Credit facility interest margin on stated base rate			0.50%
2014 Credit Facility [Member] \| Reserve Adjusted One Month LIBOR [Member]
Debt Instrument [Line Items]
Credit Facility Incremental Fixed Margin Rate			1.00%
2014 Credit Facility [Member] \| Reserve Adjusted One Month LIBOR [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Credit facility interest margin on stated base rate			0.00%
2014 Credit Facility [Member] \| Reserve Adjusted One Month LIBOR [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Credit facility interest margin on stated base rate			0.75%
2014 Credit Facility [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.10%
2014 Credit Facility [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.30%
2014 Credit Facility [Member] \| Term Loan [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Unsecured Revolving Credit Facility Additional Borrowing Capacity			$ 500.0
2014 Credit Facility [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 94.0	$ 216.0
Long-term Debt, Weighted Average Interest Rate			1.80%	1.46%
2014 Credit Facility [Member] \| Unsecured Debt [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity			$ 1,000.0
Proceeds from Lines of Credit					307.0
Term Loan [Member] \| Nonoperating Income (Expense) [Member] \| 2012 Credit Facility [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Write off of unamortized debt issuance costs					$ 2.7