Quarterly report pursuant to Section 13 or 15(d)

Pension Plans - Additional Information (Detail)

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Pension Plans - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 28, 2013
Defined Benefit Plan Disclosure [Line Items]  
Defined benefit pension plan contributed $ 113.3
Defined benefit pension plan, discretionary contribution 100.0
Defined benefit pension plan additional contributions during the remainder of the year $ 6.5