Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Cash flows from operating activities:
Net loss	$ (8,222)	$ (38,318)	$ (1,488)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,028	2,582	2,682
Loss on impairment of intangibles	406	26,631	3,525
Stock-based compensation	1,266	900	511
Excess tax benefit of stock-based compensation			(34)
Bad debt expense	334	57	1,184
Inventory valuation reserve	(171)	675	66
Provision for warranty expense	1,134	1,157	1,864
Change in fair value of interest rate swap	11	228	(160)
Loss on extinguishment of debt			291
Loss (gain) on sale of property		(325)	(74)
Foreign exchange loss (gain)	905	799	(135)
Gain on sale of heat exchanger product line	(1,238)
Deferred tax benefit	(375)	(1,944)	(1,158)
Changes in operating assets and liabilities net of acquisitions:
Accounts receivable	(7,432)	(1,800)	8,750
Inventories	2,768	(4,916)	(71)
Costs and earnings in excess of billings on uncompleted contracts	(4,277)	(2,912)	(1,886)
Other assets	1,362	(1,600)
Accounts payable	11,048	4,622	(3,629)
Billings in excess of costs and earnings on uncompleted contracts	(431)	1,293	(5,497)
Commissions payable	(250)	659	326
Income taxes	(226)	1,263	2,727
Product warranties	(1,441)	(1,071)	(2,238)
Accrued liabilities and other	(1,526)	2,397	(121)
Net cash provided by (used in) operating activities	(3,327)	(9,623)	5,435
Cash flow from investing activities:
Decrease (increase) in restricted cash	(2,081)	(9,563)	2,821
Business acquisitions, net of cash acquired		(8,891)	(1,296)
Purchases of property and equipment	(1,790)	(9,997)	(16,127)
Sale of heat exchanger product line	2,059
Net proceeds from sale of property	3	521	135
Net cash used in investing activities	(1,809)	(27,930)	(14,467)
Cash flows from financing activities:
Net proceeds from short-term debt	1,606	1,608
Net proceeds from long-term debt		9,175	8,719
Payment of debt	(4,028)	(1,337)
Payment of debt issuance costs			(963)
Payments of deferred consideration	(312)	(37)
Equity contribution from noncontrolling interest		1,607	2,000
Proceeds from exercise of stock options	83	12	19
Excess tax benefits from stock-based payment arrangements			34
Net cash (used in) provided by financing activities	(2,651)	11,028	9,809
Effect of exchange rate changes on cash and cash equivalents	(1,938)	779	(43)
Net increase (decrease) in cash and cash equivalents	(9,725)	(25,746)	734
Cash and cash equivalents at beginning of year	27,274	53,020	52,286
Cash and cash equivalents at end of year	17,549	27,274	53,020
Supplemental information on cash flow:
Income taxes paid (received)	666	(174)	(1,263)
Interest paid, net of capitalized interest of $0.0 million, $0.3 million and $0.2 million at June 27, 2015, June 28, 2014 and June 29, 2013, respectively	$ 1,924	$ 836	$ 459