Business Combinations (Summary of Preliminary Allocation of Tangible and Identifiable Intangible Assets Acquired and Liabilities Assumed) (Details) - Zebra Technologies Corporation - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Preliminary Allocation
Receivables/net	$ 14,636	$ 17,818
Inventory	13,043	12,408
Other current assets	808	808
Property and equipment	3,159	1,780
Identifiable intangible assets	20,600	20,500
In-process research and development	1,600	1,600
Other assets	7,634	7,634
Goodwill	11,803	9,836
Current liabilities	(8,036)	(7,763)
Deferred revenue	(14,159)	(13,533)
Total purchase price allocation	51,088	$ 51,088
Change during three months ended March 31, 2017
Receivables/net	(3,182)
Inventory	635
Property and equipment	1,379
Identifiable intangible assets	100
Goodwill	1,967
Current liabilities	(273)
Deferred revenue	$ (626)