Schedule Of Allocation Of Purchase Price To Assets Acquired And Liabilities Assumed, Net of Cash Acquired (Detail) (Vocollect Inc., USD $) In Thousands, unless otherwise specified	Mar. 03, 2011
Vocollect Inc.
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Accounts receivable (gross contractual receivables total of $21,461)	$ 20,569
Inventories	7,520
Net deferred tax assets	7,880
Other current assets	7,353
Goodwill (including $7.9 million for assembled workforce)	140,162
Intangible assets	67,500
Property, plant and equipment	9,123
Other assets	137
Accounts payable	(6,818)
Payroll and related expenses	(8,812)
Deferred revenue	(10,936)
Accrued expenses	(8,739)
Deferred tax liabilities	(22,570)
Long-term deferred revenue	(4,282)
Other long-term liabilities	(1,370)
Total net assets acquired	$ 196,717