Earnings Per Share (Computation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Earnings Per Share [Abstract]
Income (Loss) from Continuing Operations Attributable to Parent	$ 24,069	$ 16,772	$ 55,627	$ 42,134
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	38	0	208	0
Net Income (Loss) Attributable to Parent	$ 24,107	$ 16,772	$ 55,835	$ 42,134
Denominator for basic earnings per share - weighted average shares outstanding during the period	44,506	43,202	44,198	42,985
Effect of dilutive stock options and unvested restricted stock	1,483	1,509	1,468	1,336
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions	45,989	44,711	45,666	44,321
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.54	$ 0.39	$ 1.26	$ 0.98
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Basic net income per share	$ 0.54	$ 0.39	$ 1.26	$ 0.98
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.52	$ 0.38	$ 1.22	$ 0.95
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Diluted net income per share	$ 0.52	$ 0.38	$ 1.22	$ 0.95