Segment Information (Segment Data) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Revenues	$ 455,319	$ 364,837	$ 815,126	$ 651,674
Operating Income (Loss)	51,244	36,204	83,520	60,041
United States [Member]
Segment Reporting Information [Line Items]
Revenues	280,415	259,153	533,062	492,795
Operating Income (Loss)	47,582	41,760	84,099	73,492
United Kingdom [Member]
Segment Reporting Information [Line Items]
Revenues	120,167	56,417	178,115	67,655
Operating Income (Loss)	12,076	3,362	11,050	2,240
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues	54,737	49,267	103,949	91,224
Operating Income (Loss)	4,268	2,630	8,674	4,810
Total Segment Operating Income [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	63,926	47,752	103,823	80,542
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ (12,682)	$ (11,548)	$ (20,303)	$ (20,501)