Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES
Net income	$ 114,656	$ 79,225	$ 54,982
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	40,095	30,459	24,124
Other Noncash Income Tax Expense	(7,403)	1,642	5,160
Equity in net (income) loss of equity-method investees	(295)	(1,140)	2,148
Stock based compensation	13,010	8,290	9,031
Tax benefit from stock based compensation	(1,037)	(1,681)	(2,525)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	2,720	(15,130)	(2,486)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	4,200	0	0
Impairment of Long-Lived Assets to be Disposed of	0	16,001	0
Other non-cash items, net	53	599	329
Increase (decrease) in cash attributable to changes in operating assets and liabilities, net of amounts applicable to acquisitions:
Accounts receivable	(47,751)	(4,316)	(22,545)
Inventories	(28,342)	(5,597)	(5,677)
Other current assets	(8,145)	(1,556)	778
Other assets	(10,082)	(5,200)	(6,141)
Accounts payable and accrued expenses	45,764	12,489	4,459
Acquisition-related contingent consideration	0	850	650
Income taxes	1,445	5,363	(7,379)
Net cash provided by operating activities	120,962	121,960	58,658
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES
Acquisitions, net of cash acquired	(350,426)	(257,264)	(45,339)
Proceeds from Divestiture of Interest in Consolidated Subsidiaries	13,012	0	0
Purchases of property and equipment	(72,877)	(20,427)	(11,490)
Proceeds from disposals of property and equipment	1,045	93	1,617
Repayments from equity-method investees	3,110	6,934	(271)
Net cash used in investing activities	(406,136)	(270,664)	(55,483)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES
Proceeds from exercises of stock options, net of related expenses	12,763	14,179	17,912
Borrowings under bank revolving credit facility	263,458	160,989	4,100
Repayments of other long-term debt, net	12,377	(460)	(22)
Acquisition-related contingent consideration	0	(32,380)	(14,750)
Excess tax benefits from stock based compensation	15,979	7,130	2,115
Shares withheld for payment of employee payroll taxes	(8,440)	(2,035)	(2,221)
Net cash provided by financing activities	296,137	147,423	7,134
Effect of exchange rate changes on cash	405	3,659	(58)
Net increase (decrease) in cash and cash equivalents	11,368	2,378	10,251
Cash and cash equivalents at beginning of period	29,895	27,517	17,266
Cash and cash equivalents at end of period	$ 41,263	$ 29,895	$ 27,517