Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 67,430	$ 47,429	$ 164,962
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	68,697	65,622	57,380
Deferred income taxes	(10,456)	33,093	(2,667)
Equity in net loss (income) of equity-method investees	(129)	47	(628)
Stock based compensation	9,658	12,688	12,197
Contingent consideration expense	0	1,511	(253)
Gains on fire insurance recovery and other, net	0	(8,058)	0
Gains on pre-existing ownership interests in HPPC and Empire	0	0	(9,669)
Impairment charges	40,452	127,748	0
Other non-cash items, net	459	15,038	(1,434)
Increase (decrease) in cash attributable to changes in operating assets and liabilities, net of amounts applicable to acquisitions:
Accounts receivable	27,675	(12,886)	(19,582)
Inventories	(20,968)	(15,739)	(30,465)
Other current assets	32,637	(22,534)	(15,308)
Other assets and liabilities	(5,637)	3,281	(3,964)
Accounts payable and accrued expenses	6,806	(40,665)	34,913
Net cash provided by operating activities	216,624	206,575	185,482
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	(19,544)	(157,061)	(104,633)
Purchases of property and equipment	(63,120)	(77,284)	(51,217)
Proceeds from sale of assets and other	6,419	0	4,550
Net cash used in investing activities	(76,245)	(234,345)	(151,300)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercises of stock options	0	0	18,643
Borrowings under bank revolving credit facility	90,000	323,904	92,000
Repayments under bank revolving credit facility	(181,203)	(145,053)	(43,049)
Repayments of senior notes	0	(150,000)	0
Repayments of other debt, net	(19,528)	(13,017)	(54,853)
Excess tax benefits from stock based compensation	3,298	11,317	25,701
Acquisition related contingent consideration	(2,498)	(1,547)	(3,217)
Shares withheld for payment of employee payroll taxes	(8,268)	(25,535)	(18,058)
Net cash (used in) provided by financing activities	(118,199)	69	17,167
Effect of exchange rate changes on cash	(3,114)	(11,295)	(8,178)
Net increase/(decrease) in cash and cash equivalents	19,066	(38,996)	43,171
Cash and cash equivalents at beginning of year	127,926	166,922	123,751
Cash and cash equivalents at end of year	$ 146,992	$ 127,926	$ 166,922