Accounts Receivable (Details) (Successor [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
Successor [Member]
Billed and billable, net of allowance of $532 and $[#] as of June 30, 2012 and September 30, 2012, respectively	$ 231,734	$ 290,620
Unbilled:
Retainages	3,338	3,391
Revenue recorded in excess of milestone billings on fixed-price contracts	18,022	14,518
Revenue recorded in excess of contractual authorization, billable upon receipt of contractual documents	2,404	6,174
Allowance for unbillable amounts	(4,923)	(5,269)
Total unbilled	18,841	18,814
Accounts receivable, net	$ 250,575	$ 309,434