CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 28, 2014	Mar. 29, 2013
Cash flows from operating activities:
Net income	$ 6,978	$ 11,447
Non-cash items:
Depreciation and amortization	6,587	4,959
Stock-based compensation expense	3,513	2,785
Provision for doubtful accounts	0	408
Other non-cash items	257	(105)
Changes in operating assets and liabilities:
Accounts receivable	(12,470)	(10,273)
Insurance recoverable - environmental remediation	(15,786)	(155)
Income taxes	(2,105)	(691)
Restricted investments	3,694	3,347
Prepaid expenses and other current assets	19	(1,068)
Long-term prepaid insurance	2,262	2,239
Other assets	518	353
Accounts payable	(2,996)	(1,732)
Accrued compensation and benefits	3,150	(1,815)
Deferred revenue	(1,882)	(7,219)
Environmental remediation liabilities	(799)	(184)
Other accrued liabilities	12,237	1,153
Net cash provided by operating activities	3,177	3,449
Cash flows from investing activities:
Additions to property and equipment	(3,757)	(2,729)
Withdrawals from restricted investments	1,441	1,713
Acquisition of businesses, net of cash acquired	(3,788)	(6,465)
Earnout and net working capital payments on acquisitions	252	154
Proceeds from sale of fixed assets	95	30
Investments in and advances to unconsolidated affiliates	(17)	(13)
Net cash used in investing activities	(6,278)	(7,618)
Cash flows from financing activities:
Payments on long-term debt and other	(8,464)	(4,458)
Payments on capital lease obligations	(470)	(374)
Proceeds from long-term debt and other	4,904	4,259
Earnout and net working capital payments on acquisitions	(872)	0
Shares repurchased to settle tax withholding obligations	(2,172)	(2,171)
Excess tax benefit from stock-based awards	3,385	203
Proceeds from exercise of stock options	55	146
Net cash used in financing activities	(3,634)	(2,395)
Decrease in cash and cash equivalents	(6,735)	(6,564)
Cash and cash equivalents, beginning of period	18,136	16,561
Cash and cash equivalents, end of period	11,401	9,997
Supplemental cash flow information:
Non-cash consideration for assets acquired	1,903	2,462
Assets acquired through capital lease obligations	$ 0	$ 1,161