Segment Information (Segment Data) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 456,087	$ 375,781	$ 1,271,213	$ 1,027,455
Operating Income (Loss)	51,059	41,633	134,579	101,674
United States [Member]
Segment Reporting Information [Line Items]
Revenues	277,582	256,280	810,644	749,075
Operating Income (Loss)	51,260	39,579	135,359	113,071
United Kingdom [Member]
Segment Reporting Information [Line Items]
Revenues	121,162	67,988	299,277	135,643
Operating Income (Loss)	8,793	6,127	19,843	8,367
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues	57,343	51,513	161,292	142,737
Operating Income (Loss)	5,170	3,871	13,844	8,681
Total Segment Operating Income [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	65,223	49,577	169,046	130,119
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ (14,164)	$ (7,944)	$ (34,467)	$ (28,445)