Earnings Per Share (Computation Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Income from continuing operations									$ 47,429	$ 164,962	$ 131,551
Loss from discontinued operations, net of tax									0	0	(1,629)
Net income	$ (88,597)	$ 48,788	$ 58,080	$ 29,158	$ 72,152	$ 38,001	$ 39,653	$ 15,155	$ 47,429	$ 164,962	$ 129,922
Basic weighted average shares outstanding (in shares)		103,265	103,017	102,807	102,610	102,252	101,267	100,682	103,135	101,703	97,750
Effect of dilutive stock options, unvested restricted stock and unvested restricted share units (in shares)									1,048	1,718	2,256
Diluted weighted average shares outstanding (shares)		104,087	104,161	104,258	104,005	103,796	103,226	102,656	104,183	103,421	100,006
Basic net income (loss) per common share, from continuing operations (USD per share)									$ 0.46	$ 1.62	$ 1.35
Basic net income (loss) per common share, from discontinued operations (USD per share)									0.00	0.00	(0.02)
Basic net income (loss) per common share (USD per share)	$ (0.86)	$ 0.47	$ 0.56	$ 0.28	$ 0.70	$ 0.37	$ 0.39	$ 0.15	0.46	1.62	1.33
Diluted net income (loss) per common share, from continuing operations (USD per share)									0.46	1.60	1.32
Diluted net income (loss) per common share, from discontinued operations (USD per share)									0.00	0.00	(0.02)
Diluted net income (loss) per common share (USD per share)	$ (0.86)	$ 0.47	$ 0.56	$ 0.28	$ 0.69	$ 0.37	$ 0.38	$ 0.15	$ 0.46	$ 1.60	$ 1.30