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Pension Plans - Summary of Amounts Included in Accumulated Other Comprehensive Income Loss (Detail) (USD $) In Millions, unless otherwise specified | Dec. 28, 2013 | Dec. 29, 2012
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Compensation And Retirement Disclosure [Abstract] |  |
Net loss, net of tax of $96.5 million and $147.1 million, respectively | $ (175.4) | $ (260.4)
Prior service credit, net of tax of $2.3 million and $2.5 million, respectively | 4.0 | 4.0
Amounts included in accumulated other comprehensive income (loss) | $ (171.4) | $ (256.4)

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- Definition Pension and other postretirement benefit plans, accumulated other comprehensive income (loss), net gains (losses), net of tax + References No definition available. + Details
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- Definition Pension and other postretirement benefit plans, accumulated other comprehensive income (loss), net of tax + References No definition available. + Details
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- Definition Pension and other postretirement benefit plans, accumulated other comprehensive income (loss), net prior service cost (credit), net of tax + References No definition available. + Details
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- Details
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