Acquisitions and Disposals (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, 2013	Mar. 31, 2012
Business Acquisition, Cost of Acquired Entity [Abstract]
Proforma Revenue from Continuing Operations	$ 441,501	$ 1,365,737	$ 1,282,936
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax	$ 29,525	$ 108,796	$ 81,355
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax, Per Share, Diluted	$ 0.63	$ 2.28	$ 1.74