Stock Plans (Schedule Of Stock Option Activity By Exercise Price) (Details)	12 Months Ended
	Jun. 30, 2016 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number outstanding as of June 30, 2016 | shares	1,904,367
Options outstanding, Weighted Average Remaining Contractual Life	6 years 2 months 12 days
Options outstanding, Weighted Average Exercise Price	$ 16.38
Number exercisable as of June 30, 2016 | shares	933,494
Options exercisable, Weighted Average Remaining Contractual Life	3 years 3 months 18 days
Options exercisable, Weighted Average Exercise Price	$ 21.21
Range Of Exercise Price, $9.32 - $17.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, lower limit	9.32
Range of exercise price, upper limit	$ 17.00
Number outstanding as of June 30, 2016 | shares	1,104,967
Options outstanding, Weighted Average Remaining Contractual Life	7 years 2 months 12 days
Options outstanding, Weighted Average Exercise Price	$ 10.71
Number exercisable as of June 30, 2016 | shares	330,767
Options exercisable, Weighted Average Remaining Contractual Life	2 years 6 months
Options exercisable, Weighted Average Exercise Price	$ 13.24
Range Of Exercise Price, $17.01 - $21.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, lower limit	17.01
Range of exercise price, upper limit	$ 21.00
Number outstanding as of June 30, 2016 | shares	450,100
Options outstanding, Weighted Average Remaining Contractual Life	5 years 6 months
Options outstanding, Weighted Average Exercise Price	$ 18.11
Number exercisable as of June 30, 2016 | shares	282,764
Options exercisable, Weighted Average Remaining Contractual Life	3 years 9 months 18 days
Options exercisable, Weighted Average Exercise Price	$ 18.58
Range Of Exercise Price, $21.01 - Over [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise price, lower limit	$ 21.01
Number outstanding as of June 30, 2016 | shares	349,300
Options outstanding, Weighted Average Remaining Contractual Life	4 years
Options outstanding, Weighted Average Exercise Price	$ 32.11
Number exercisable as of June 30, 2016 | shares	319,963
Options exercisable, Weighted Average Remaining Contractual Life	3 years 8 months 12 days
Options exercisable, Weighted Average Exercise Price	$ 31.78