Debt, Commitments And Contingencies (Schedule Of Debt) (Detail) (USD $) In Millions, unless otherwise specified	Apr. 03, 2015	Jan. 02, 2015
Debt Instrument [Line Items]
Total debt	$ 663.4us-gaap_LongTermDebt	$ 738.4us-gaap_LongTermDebt
Less current portion of long-term debt	133.1us-gaap_LongTermDebtCurrent	64.4us-gaap_LongTermDebtCurrent
Non-current portion	530.3us-gaap_LongTermDebtNoncurrent	674.0us-gaap_LongTermDebtNoncurrent
Uncommitted Facilities [Member]
Debt Instrument [Line Items]
Total debt	133.0	57.0
Senior Notes [Member]
Debt Instrument [Line Items]
Notes Payable, Noncurrent	400.0	400.0
Debt Instrument, Unamortized Discount	(3.0)	(3.2)
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	133.0	277.0
Promissory Notes And Other Debt [Member]
Debt Instrument [Line Items]
Total debt	0.4	7.6
Non-current portion	0.4	0.4
2014 Credit Facility [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	$ 133.0	$ 277.0

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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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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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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