Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss), Net of Tax (Detail) $ in Thousands	9 Months Ended
	Sep. 27, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance	$ (46,031)
Other comprehensive loss before reclassifications	(15,056)
Amounts reclassified from accumulated other comprehensive income	2,568
Net current period other comprehensive income (loss)	(12,488)
Accumulated other comprehensive income (loss), Ending balance	(58,519)
Foreign Currency Translation Component [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), Beginning balance	(2,591)
Other comprehensive loss before reclassifications	(15,056)
Net current period other comprehensive income (loss)	(15,056)
Accumulated other comprehensive income (loss), Ending balance	(17,647)
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	2,568
Net current period other comprehensive income (loss)	2,568
Accumulated other comprehensive income (loss), Ending balance	$ (40,872)