Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income (loss)	$ 2,604	$ (2,290)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation and amortization	9,702	9,797
Non-cash interest expense	2,127	513
Deferred income taxes	(1,956)	(1,325)
Loss on sale of property and equipment	158	167
Equity compensation expense	1,134	1,063
Changes in operating assets and liabilities:
Accounts receivable and costs and estimated earnings in excess of billings on uncompleted contracts	(27,250)	972
Inventories, prepaid expenses and other	4,857	(533)
Insurance and claim accruals	2,542	(1,800)
Accounts payable and other	642	(4,066)
Net cash (used in) provided by operating activities	(5,440)	2,498
Cash flows from investing activities:
Purchases of property and equipment	(7,611)	(3,416)
Business acquisition, net	(16,435)
Net proceeds from sale of property and equipment	211	534
Net cash used in investing activities	(23,835)	(2,882)
Cash flows from financing activities:
Principal payments on long-term debt	(99,000)	(3,500)
Borrowings under old revolving credit facility	37,700
Repayments under old revolving credit facility	(37,700)
Borrowings under new revolving credit facility	132,520
Stock option and employee stock purchase activity, net	(89)	(483)
Deferred loan costs	(1,733)	(991)
Net cash provided by (used in) financing activities	31,698	(4,974)
Net increase (decrease) in cash and cash equivalents	2,423	(5,358)
Cash and cash equivalents beginning of year	311	11,133
Cash and cash equivalents end of period	$ 2,734	$ 5,775