Earnings (Loss) Per Share (Computation Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 10,088			$ 25,241			$ (42,291)	$ 86,984
Net loss from discontinued operations, net of tax	(75,925)			(12,555)			(127,472)	(7,349)
Net (loss) income	$ (65,837)	$ (66,501)	$ (37,425)	$ 12,686	$ 47,103	$ 19,846	$ (169,763)	$ 79,635
Denominator:
Basic weighted average shares outstanding (shares)	104,117			103,918			104,045	103,821
Effect of dilutive stock options, unvested restricted stock and unvested restricted share units (shares)	217			585			0	652
Diluted weighted average shares outstanding (shares)	104,334			104,503			104,045	104,473
Basic net (loss) income per common share:
Basic net income (loss) per common share from continuing operations (USD per share)	$ 0.10			$ 0.24			$ (0.41)	$ 0.84
Basic net income (loss) per common share from discontinued operations (USD per share)	(0.73)			(0.12)			(1.23)	(0.07)
Basic net income (loss) per common share (USD per share)	(0.63)			0.12			(1.63)	0.77
Diluted net (loss) income per common share:
Diluted net income (loss) per common share from continuing operations (USD per share)	0.10			0.24			(0.41)	0.83
Diluted net income (loss) per common share from discontinued operations (USD per share)	(0.73)			(0.12)			(1.23)	(0.07)
Diluted net income (loss) per common share (USD per share)	$ (0.63)			$ 0.12			$ (1.63)	$ 0.76