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Pension Plans - Summary of Amounts Included in Accumulated Other Comprehensive Income Loss (Parenthetical) (Detail) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Compensation and Retirement Disclosure [Abstract]
Net loss, tax	$ 141.4	$ 134.9
Prior service credit, tax	$ 1.7	$ 2.0

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- Definition

Pension and other postretirement benefit plans, accumulated other comprehensive income (loss), net gains (losses), tax

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No definition available.

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- Definition

Pension And Other Postretirement Benefit Plans Accumulated Other Comprehensive Income Loss Net Prior Service Cost Credit Tax

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No definition available.

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No definition available.

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