Consolidated Statements Of Cash Flow (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating Activities:
Net income	$ 46,993	$ 51,603
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	21,519	16,732
Amortization of senior note offering and credit facility costs	682	621
Amortization of share-based awards	2,848	2,500
Deferred income taxes	9,376	13,711
Changes in assets and liabilities, net of acquisitions:
Increase in accounts receivable	(99,551)	(53,873)
Increase in inventories	(30,530)	(19,990)
Decrease (increase) in prepaid expenses and other assets	6,481	(5,607)
Increase in accounts payable	19,664	52,653
Increase (decrease) in other payables, accrued expenses and other liabilities	11,418	(8,804)
Other	212	(377)
Net cash (used in) provided by operating activities	(10,888)	49,169
Investing Activities:
Additions to property and equipment	(19,004)	(9,090)
Acquisition of intangibles and other assets	(8,068)	(43,900)
Net cash used in investing activities	(27,072)	(52,990)
Financing Activities:
Proceeds from short-term debt	14,300
Proceeds from the exercise of stock options	4,514	4,062
Proceeds from the issuance of common stock under the employee stock purchase plan	1,057	958
Excess tax benefit from share-based awards	4,945	4,144
Net cash provided by financing activities	24,816	9,164
Effect of exchange rate changes on cash and cash equivalents	67	(1,853)
Net (decrease) increase in cash and cash equivalents	(13,077)	3,490
Cash and cash equivalents at beginning of period	59,080	58,850
Cash and cash equivalents at end of period	46,003	62,340
Supplemental Disclosure of Non-Cash Information:
Additions to property and equipment not paid for (not included above)	$ 241	$ 333