Stock Plans (Summary Of Restricted Stock And Restricted Stock Unit Activity) (Details) (USD $)	1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Mar. 31, 2011	Jun. 30, 2013 Restricted Stock [Member]	Aug. 31, 2012 Restricted Stock Units [Member]	Jun. 30, 2013 Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested at July 1, 2012, Shares		202,000		98,000
Granted, Shares			72,700	92,000
Vested, Shares	(343,800)	(144,000)		(33,000)
Forfeited/Cancelled, Shares		(3,000)		(2,000)
Non-vested at June 30, 2013, Shares		55,000		155,000
Non-vested at July 1, 2012, Weighted Average Grant Date Fair Value		$ 13.66		$ 31.78
Granted, Weighted Average Grant Date Fair Value				$ 45.95
Vested, Weighted Average Grant Date Fair Value		$ 12.36		$ 31.78
Forfeited/Cancelled, Weighted Average Grant Date Fair Value		$ 16.91		$ 31.78
Non-vested at June 30, 2013, Weighted Average Grant Date Fair Value		$ 16.90		$ 40.17