Stock And Employee Benefit Plans (Tables)

12 Months Ended

Jun. 30, 2015

Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]

Schedule Of Weighted Average Assumptions

	Years ended June 30,
	2015		2014		2013
Dividend yield	0.0	%	0.0	%	0.0	%
Expected volatility	36.2	%	54.1	%	56.4	%
Risk-free interest rate	1.7	%	1.6	%	0.9	%
Expected term (in years)	5.0		5.2		5.2

Schedule Of Recognized Stock-Based Compensation Expense

	Years ended June 30,
(in thousands)	2015		2014		2013
Direct costs related	$	4,392	$	3,027	$	1,918
Selling, general and administrative related	13,540		12,302		9,250
Total stock-based compensation	$	17,932	$	15,329	$	11,168

Schedule Of Information Related To Stock Option Activity

	Years ended June 30,
(in thousands, except per share data)	2015	2014	2013
Weighted-average fair value of options granted per share	$20.16	$20.70	$16.20
Intrinsic value of options exercised	$33,833	$24,066	$24,872

Schedule Of Stock Option Activity

	Number of Options		Weighted-Average Exercise Price		Weighted- Average Remaining Contractual Life In Years	Aggregate Intrinsic Value (In Thousands)
Balance at June 30, 2014	3,180,179		$	29.21	5.3	$	75,229
Granted	987,599		$	59.07
Exercised	(895,279	)	$	24.72
Canceled	(113,062	)	$	41.37
Balance at June 30, 2015	3,159,437		$	39.40	5.6	$	78,954
Exercisable at June 30, 2015	968,250		$	25.13	3.7	$	37,936
Expected to vest at June 30, 2015	2,015,621		$	45.31	6.4	$	38,506

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Shares		Weighted-Average Grant- Date Fair Value
Unvested Balance at June 30, 2014	411,352		$	31.69
Granted	108,772		$	60.39
Vested	(173,362	)	$	22.37
Forfeited	(7,750	)	$	53.19
Unvested Balance at June 30, 2015	339,012		$	45.17

Schedule Of Purchases Under The 2000 Purchase Plan

	Shares Purchased	Average Purchase Price
Fiscal Year 2015	57,557	$	59.09
Fiscal Year 2014	68,867	$	43.20
Fiscal Year 2013	62,777	$	35.54