Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating Activities:
Net income	$ 36,244	$ 46,993
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,653	21,519
Amortization of senior note offering and credit facility costs	685	682
Amortization of share-based awards	3,225	2,848
Deferred income taxes	6,258	9,376
Change in assets and liabilities, net of acquisitions:
Increase in accounts receivable	(61,606)	(99,551)
Increase in inventories	(32,074)	(30,530)
(Increase) decrease in prepaid expenses and other assets	(6,400)	6,481
Increase in accounts payable	30,810	19,664
Increase in other payables, accrued expenses and other liabilities	12,206	11,418
Other	232	212
Net cash provided by (used in) operating activities	15,233	(10,888)
Investing Activities:
Additions to property and equipment	(25,822)	(19,004)
Acquisition of businesses, intangibles and other assets	(3,000)	(8,068)
Cash received from consolidation of variable interest entity	574
Net cash used in investing activities	(28,248)	(27,072)
Financing Activities:
Proceeds from short-term debt	7,750	14,300
Proceeds from the exercise of stock options	1,758	4,514
Repurchase of common stock	(5,393)
Proceeds from the issuance of common stock under the employee stock purchase plan	1,101	1,057
Payments of contingent consideration related to acquisition	(4,914)
Payments to noncontrolling interests	(4,979)
Excess tax benefit from share-based awards		4,945
Payments under capital lease obligations	(35)
Net cash (used in) provided by financing activities	(4,712)	24,816
Effect of exchange rate changes on cash and cash equivalents	(53)	67
Net decrease in cash and cash equivalents	(17,780)	(13,077)
Cash and cash equivalents at beginning of period	61,674	59,080
Cash and cash equivalents at end of period	43,894	46,003
Supplemental Disclosure of Non-Cash Information:
Additions to property and equipment not paid for (not included above)	$ 2,338	$ 241