Segment Information (Segment Data) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 534,879	$ 455,319	$ 1,012,363	$ 815,126
Operating Income (Loss)	64,313	51,244	104,085	83,520
United States [Member]
Segment Reporting Information [Line Items]
Revenues	327,725	280,415	639,720	533,062
Operating Income (Loss)	56,510	47,582	102,876	84,099
United Kingdom [Member]
Segment Reporting Information [Line Items]
Revenues	146,051	120,167	260,046	178,115
Operating Income (Loss)	12,001	12,076	13,912	11,050
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues	61,103	54,737	112,597	103,949
Operating Income (Loss)	3,996	4,268	6,910	8,674
Total Segment Operating Income [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	72,507	63,926	123,698	103,823
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ (8,194)	$ (12,682)	$ (19,613)	$ (20,303)