Geographic Consolidation - Summary of Reconciliation of Amounts Accrued and Paid under Consolidation Plan (Detail) (Severance and Other Payroll [Member], USD $)	3 Months Ended
	Mar. 28, 2015
Severance and Other Payroll [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 231,000
Costs accrued	24,000
Amounts paid or charged	(185,000)
Impact of currency exchange	(17,000)
Ending balance	$ 53,000