Schedule Of Allocation Of Purchase Price To Assets Acquired And Liabilities Assumed, Net of Cash Acquired (Parenthetical) (Detail) (Adjusted Purchase Price, USD $) In Thousands, unless otherwise specified	Mar. 03, 2011
Adjusted Purchase Price
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Gross contractual receivables	$ 21,461
Goodwill for assembled workforce	$ 7,900