Segment Reporting Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net sales to external customers	$ 73,374	$ 65,370
Depreciation and amortization	1,847	1,833
Operating (loss) income	6,960	5,702
Long-lived assets	44,551	40,132
Capital expenditures	1,898	662
Total assets	392,263	353,258	391,496
Americas Region
Segment Reporting Information [Line Items]
Net sales to external customers	29,594	26,109
Depreciation and amortization	1,005	1,092
Operating (loss) income	(78)	(1,008)
Long-lived assets	24,384	21,499
Capital expenditures	1,129	322
Total assets	203,080	187,404
Europe/Africa Region
Segment Reporting Information [Line Items]
Net sales to external customers	23,836	21,900
Depreciation and amortization	511	468
Operating (loss) income	2,114	1,949
Long-lived assets	17,615	16,233
Capital expenditures	698	243
Total assets	118,230	102,517
Asia Pacific Region
Segment Reporting Information [Line Items]
Net sales to external customers	19,944	17,361
Depreciation and amortization	331	273
Operating (loss) income	4,924	4,761
Long-lived assets	2,552	2,400
Capital expenditures	71	97
Total assets	$ 70,953	$ 63,337