Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 54,684	$ 47,977
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	5,391	6,604
Amortization of debt issuance costs	238	259
Provision for doubtful accounts	5,469	8,312
Share-based compensation and restricted stock	3,807	4,565
Deferred income taxes	10,981	(4,028)
Excess tax benefits from share-based payment arrangements	(982)	(849)
Change in fair value of contingent consideration	2,218	1,396
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	13,340	32,061
Inventories	(74,461)	72,170
Prepaid expenses and other assets	(2,924)	(303)
Other non-current assets	3,790	3,658
Accounts payable	12,404	(94,951)
Accrued expenses and other liabilities	(2,817)	(2,696)
Income taxes payable	1,532	1,831
Net cash provided by (used in) operating activities	32,670	76,006
Cash flows from investing activities:
Capital expenditures	(6,785)	(4,463)
Net cash provided by (used in) investing activities	(6,785)	(4,463)
Cash flows from financing activities:
Borrowings (repayments) on short-term borrowings, net	0	(4,459)
Borrowings on revolving credit	0	515,262
Repayments on revolving credit	0	(515,877)
Debt issuance costs	(468)	0
Contingent consideration payments	(3,793)	(4,777)
Exercise of stock options	12,152	2,231
Excess tax benefits from share-based payment arrangements	982	849
Net cash provided by (used in) financing activities	8,873	(6,771)
Effect of exchange rate changes on cash and cash equivalents	640	(40)
Increase (decrease) in cash and cash equivalents	35,398	64,732
Cash and cash equivalents at beginning of period	148,164	29,173
Cash and cash equivalents at end of period	$ 183,562	$ 93,905