Acquisitions (Unaudited Pro Forma Results Of Operations) (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
Business Acquisition, Cost of Acquired Entity [Abstract]
Proforma Revenue from Continuing Operations	$ 379,357	$ 356,101	$ 1,103,918	$ 1,025,066
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax	$ 25,590	$ 19,871	$ 59,799	$ 48,901
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax, Per Share, Diluted	$ 0.56	$ 0.44	$ 1.31	$ 1.10