Debt - Components of Debt (Detail) - USD ($) $ in Millions	Jul. 04, 2015	Jan. 03, 2015	Jun. 24, 2014
Debt Instrument [Line Items]
ABL facility	$ 198.2	$ 229.0
GE Term Loan	7.3	8.2
Capital leases and other debt financing	4.0	5.2
Total debt	1,752.3	1,798.0
Total short-term borrowings	198.2	229.0
GE Term Loan - current maturities	2.0	2.0
Capital leases and other financing - current maturities	1.9	2.0
Total current debt	202.1	233.0
Total long-term debt	1,550.2	1,565.0
10.000% Senior Notes Due in 2021 [Member]
Debt Instrument [Line Items]
Senior notes	392.8	405.6
6.750% Senior Notes Due in 2020 [Member]
Debt Instrument [Line Items]
Senior notes	625.0	625.0
5.375% Senior Notes Due in 2022 [Member]
Debt Instrument [Line Items]
Senior notes	$ 525.0	$ 525.0	$ 525.0

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Including the current and noncurrent portions, carrying value at the balance sheet date of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years.

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Carrying value at the balance sheet date of the current portion of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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