Significant Accounting Policies - Warranty Coverage (Detail)	12 Months Ended
	Dec. 31, 2018
Mobile computers printers and batteries
Product Warranty Liability [Line Items]
Product warranty term	1 year
Printheads
Product Warranty Liability [Line Items]
Product warranty term	6 months
Battery-based products
Product Warranty Liability [Line Items]
Product warranty term	90 days
Minimum | Advanced data capture products
Product Warranty Liability [Line Items]
Product warranty term	1 year
Maximum | Advanced data capture products
Product Warranty Liability [Line Items]
Product warranty term	5 years