Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flow from operating activities:
Net Income (Loss) Attributable to Parent	$ 89,022	$ 65,931
Depreciation and amortization	60,231	52,048
Share-based Compensation	10,880	8,103
Excess Tax Benefit from Share-based Compensation, Operating Activities	(3,467)	(3,830)
Deferred income taxes	(11,927)	8,262
Other Noncash (Income) Expense	(134)	(529)
Changes in operating assets and liabilities	44,094	21,752
Net cash provided by (used in) operating activities:	188,699	151,737
Cash flow from investing activities:
Payments to Acquire Businesses, Net of Cash Acquired	(150)	(74,731)
Payments to Acquire Marketable Securities	(154,691)	(182,316)
Proceeds from Sale and Maturity of Marketable Securities	291,824	91,791
Purchases of property and equipment	(49,730)	(50,101)
Proceeds from Sale of Property, Plant, and Equipment	0	1,670
Proceeds from Collection of Notes Receivable	0	659
Net cash used in investing activities	87,253	(213,028)
Cash flow from financing activities:
(Payments) proceeds from issuance of common stock	3,869	12,054
Payments for Repurchase of Common Stock	(4,906)	(150,032)
Excess Tax Benefit from Share-based Compensation, Financing Activities	3,467	3,830
Borrowing under credit agreement/facility	345,000	595,000
Repayments of Lines of Credit	(482,500)	(415,000)
Proceeds under factoring agreement	4,497	0
Payments of Financing Costs	(671)	(1,231)
Net cash (used in) provided by financing activities	(131,244)	44,621
Effect of exchange rate changes on cash and cash equivalents	9,920	1,704
Net increase (decrease) in cash and cash equivalents	154,628	(14,966)
Cash and cash equivalents at beginning of period	144,027	213,579
Cash and cash equivalents at end of period	298,655	198,613
Supplemental disclosures of cash flow information
Non-cash debt settlement under factoring agreement	14,359	0
Interest	10,957	7,261
Income taxes, net of refunds	$ 44,775	$ 30,369