Quarterly report pursuant to Section 13 or 15(d)

Pension Plans - Additional Information (Detail)

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Pension Plans - Additional Information (Detail) - Jul. 04, 2015 - USD ($)
$ in Millions
Total
Total
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit pension plan contributed   $ 261.4
Defined benefit pension plan additional contributions during the remainder of the year   11.9
Defined Contribution Plan, Discretionary Contribution Amount   $ 250.0
Supplemental Employee Retirement Plan    
Defined Benefit Plan Disclosure [Line Items]    
Settlement charge related to recognition of deferred actuarial losses $ 1.6