Acquisitions and Dispositions Changes in Goodwill During the Period (Details) (USD $) In Thousands, unless otherwise specified							3 Months Ended
	Sep. 30, 2012	Jan. 01, 2012	Sep. 30, 2012 Pisces Acquisition [Member]	Jul. 01, 2012 Pisces Acquisition [Member]	Jun. 11, 2012 Pisces Acquisition [Member]		Sep. 30, 2012 Properties Including Capital Leases [Member] Pisces Acquisition [Member]	Sep. 30, 2012 Deferred taxes and other assets [Member] Pisces Acquisition [Member]	Sep. 30, 2012 Acquired Territory Rights [Member] Pisces Acquisition [Member]	Sep. 30, 2012 Favorable Ground Leases [Member] Pisces Acquisition [Member]	Sep. 30, 2012 Capital Lease Obligations [Member] Pisces Acquisition [Member]	Sep. 30, 2012 Unfavorable Leases [Member] Pisces Acquisition [Member]	Sep. 30, 2012 Other Identifiable Assets Acquired and Liabilities Assumed [Member] Pisces Acquisition [Member]
Change in goodwill
Goodwill	$ 876,643	$ 870,431	$ 2,549	$ 2,654	$ 2,549	[1]
Goodwill, Purchase Accounting Adjustments							498	(146)	90	(52)	(377)	169	(287)
Goodwill	$ 876,643	$ 870,431	$ 2,549	$ 2,654	$ 2,549	[1]

[1] This goodwill is not deductible or amortizable for income tax purposes.