Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES
Net income	$ 11,690	$ 9,095
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	6,314	5,943
Deferred income taxes	(673)	(576)
Equity in net (income) loss of equity-method investees	(68)	(173)
Stock based compensation	1,794	1,750
Tax benefit from stock options	1,114	(273)
Contingent consideration expense	900
Interest accretion on contingent consideration	129	424
Other non-cash items, net	62	(170)
Increase (decrease) in cash attributable to changes in operating assets and liabilities, net of amounts applicable to acquisitions:
Accounts receivable	(9,049)	(13,660)
Inventories	(12,467)	(10,643)
Other current assets	2,307	(2,622)
Other assets	(277)	(2,907)
Accounts payable and accrued expenses	15,973	2,812
Income taxes	5,576	(977)
Net cash provided by (used in) operating activities	23,325	(11,977)
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES
Acquisitions, net of cash acquired		(16,317)
Purchases of property and equipment	(2,545)	(2,556)
Proceeds from disposals of property and equipment	81	1,446
Net cash used in investing activities	(2,464)	(17,427)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES
Proceeds from exercises of stock options, net of related expenses	2,306	577
Borrowings (repayments) under bank revolving credit facility	1,000	32,700
Repayments of other long-term debt, net	(6)	(5)
Acquisition-related contingent consideration	(22,760)
Excess tax benefits from stock based compensation	173
Shares withheld for payment of employee payroll taxes	(831)	(37)
Net cash provided by (used in) financing activities	(20,118)	33,235
Effect of exchange rate changes on cash	1,117	(149)
Net increase (decrease) in cash and cash equivalents	1,860	3,682
Cash and cash equivalents at beginning of period	27,517	17,266
Cash and cash equivalents at end of period	$ 29,377	$ 20,948