Warranty - Additional Information (Detail)	9 Months Ended
	Sep. 27, 2014
Printers [Member]
Product Warranty [Line Items]
Product warranty period	1 year
Thermal Printheads [Member]
Product Warranty [Line Items]
Product warranty period	6 months
Batteries [Member]
Product Warranty [Line Items]
Product warranty period	1 year
Battery Based Products [Member]
Product Warranty [Line Items]
Product warranty period	90 days