Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss), Net of Tax (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning balance	$ (29,181)
Other comprehensive income before reclassifications	261
Amounts reclassified from accumulated other comprehensive income (loss)	2,305
Other comprehensive income, net of tax	2,566
Accumulated Other Comprehensive Income (Loss), Ending balance	(26,615)
Foreign Currency Translation Component [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning balance	7,796
Other comprehensive income before reclassifications	261
Amounts reclassified from accumulated other comprehensive income (loss)	0
Other comprehensive income, net of tax	261
Accumulated Other Comprehensive Income (Loss), Ending balance	8,057
Pension and Other Postretirement Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning balance	(36,977)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income (loss)	2,305
Other comprehensive income, net of tax	2,305
Accumulated Other Comprehensive Income (Loss), Ending balance	$ (34,672)