Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 61,488us-gaap_NetIncomeLoss	$ 142,593us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,389us-gaap_DepreciationAndAmortization	8,291us-gaap_DepreciationAndAmortization
Loss (gain) on disposition of assets	79us-gaap_GainLossOnDispositionOfAssets	52us-gaap_GainLossOnDispositionOfAssets
Share-based compensation expense	31,572us-gaap_ShareBasedCompensation	20,503us-gaap_ShareBasedCompensation
Bad debt expense	23,520us-gaap_ProvisionForDoubtfulAccounts	30,968us-gaap_ProvisionForDoubtfulAccounts
Accreted interest on note receivable		(3,337)
Unrecognized tax benefits	1,873	2,923
Excess tax benefit from share-based compensation	(3,199)	(5,109)
Deferred income taxes	(1,043)	1,827
Changes in operating assets and liabilities:
Prepaid expenses	(2,945)	(837)
Trade accounts receivable	(32,239)	(17,307)
Other receivables	955	(587)
Prepaid taxes	13,609us-gaap_IncreaseDecreaseInPrepaidTaxes	(12,360)us-gaap_IncreaseDecreaseInPrepaidTaxes
Inventory	(4,921)us-gaap_IncreaseDecreaseInInventories	(10,395)us-gaap_IncreaseDecreaseInInventories
Accounts payable	(6,400)	(5,635)
Accrued liabilities	(11,524)	(2,233)
Deferred revenue	242	(77)
Net cash provided by operating activities	89,456	149,280
Cash flows from investing activities:
Capital expenditures for equipment and leasehold improvements	(21,905)	(9,653)
Acquisitions, net of cash acquired	(20,115)	(223,531)
Purchases of marketable investment securities	(55,069)	(105,451)
Proceeds from maturities and sales of marketable investment securities	140,802	339,865
Net cash provided by investing activities	43,713	1,230
Cash flows from financing activities:
Net proceeds from common stock issued under share-based compensation plans	25,635	47,156
Excess tax benefit from share-based compensation	3,199	5,109
Repurchase and retirement of common stock	(165,946)	(222,014)
Net cash used in financing activities	(137,112)	(169,749)
Effect of foreign exchange rates on cash and cash equivalents	(5,669)	964
Net decrease in cash and cash equivalents	(9,612)	(18,275)
Cash and cash equivalents at beginning of period	64,821	104,073
Cash and cash equivalents at end of period	$ 55,209	$ 85,798

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.