Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES
Net income	$ 48,008	$ 31,728
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	17,025	14,592
Other Noncash Income Tax Expense	(2,303)	(1,392)
Equity in net (income) loss of equity-method investees	142	(819)
Stock based compensation	6,601	3,763
Tax benefit from stock based compensation	(591)	(2,660)
Other Noncash Expense	0	900
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	3,086	0
Other non-cash items, net	50	599
Increase (decrease) in cash attributable to changes in operating assets and liabilities, net of amounts applicable to acquisitions:
Accounts receivable	(42,437)	(29,783)
Inventories	(19,311)	(2,597)
Other current assets	(4,402)	2,582
Other assets	(1,491)	(1,534)
Accounts payable and accrued expenses	52,630	17,355
Business Acquisition Contingent Consideration Cash Payment Operating	0	(850)
Income taxes	2,993	709
Net cash provided by operating activities	61,182	37,913
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES
Payments to Acquire Businesses, Net of Cash Acquired	(290,850)	(240,879)
Proceeds from Divestiture of Interest in Consolidated Subsidiaries	13,584	0
Purchases of property and equipment	(24,931)	(6,879)
Proceeds from disposals of property and equipment	28	89
Repayments from equity-method investees	1,105	7,345
Net cash used in investing activities	(301,064)	(240,324)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES
Proceeds from exercises of stock options, net of related expenses	4,819	5,340
Borrowings under bank revolving credit facility	244,893	221,000
Repayments of other long-term debt, net	4,902	(13)
Acquisition-related contingent consideration	0	(31,810)
Excess tax benefits from stock based compensation	6,846	1,683
Shares withheld for payment of employee payroll taxes	(8,409)	(1,373)
Net cash provided by financing activities	253,051	194,827
Effect of exchange rate changes on cash	(493)	3,995
Net increase (decrease) in cash and cash equivalents	12,676	(3,589)
Cash and cash equivalents at beginning of period	29,895	27,517
Cash and cash equivalents at end of period	$ 42,571	$ 23,928