Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss), Net of Tax (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance	$ (46,031)
Other comprehensive income before reclassifications	13,065
Amounts reclassified from accumulated other comprehensive income	848
Net current period other comprehensive income	13,913
Accumulated other comprehensive income (loss), Ending balance	(32,118)
Foreign Currency Translation Component [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance	(2,591)
Other comprehensive income before reclassifications	13,065
Net current period other comprehensive income	13,065
Accumulated other comprehensive income (loss), Ending balance	10,474
Pension and Other Postretirement Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance	(43,440)
Amounts reclassified from accumulated other comprehensive income	848
Net current period other comprehensive income	848
Accumulated other comprehensive income (loss), Ending balance	$ (42,592)