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Pension Plans - Summary of Amounts Included in Accumulated Other Comprehensive Income Loss (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | Dec. 28, 2013 | Dec. 29, 2012
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Compensation And Retirement Disclosure [Abstract] |  |
Net loss, tax | $ 96.5 | $ 147.1
Prior service cost, tax | $ 2.3 | $ 2.5

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- Definition Pension and other postretirement benefit plans, accumulated other comprehensive income (loss), net gains (losses), 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 Tax + References No definition available. + Details
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- Details
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