Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 46,907	$ 51,986
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization (including impairments)	40,458	27,647
Impairment of deferred costs		1,492
Amortization of deferred financing costs	1,090	1,090
Share-based compensation expense related to equity classified awards	10,579	5,392
Excess tax benefit on share-based awards	(306)	(133)
Deemed capital contribution related to income taxes		4,068
Provision for doubtful accounts	330	432
Change in assets and liabilities:
Accounts receivable, net	(18,797)	(19,346)
Net related party receivables	(2,850)	444
Prepaid expenses and other assets	(29,598)	8,483
Accounts payable	14,436	5,740
Net related party payables	374
Accrued and other liabilities	38,742	4,821
Deferred revenue	76,078	20,270
Deferred income taxes	3,504	16,239
Net cash provided by operating activities	180,947	128,625
Cash flows from investing activities:
Capital expenditures	(265,871)	(93,332)
Proceeds from asset sales		10
Payments for acquisition of assets	(2,627)	(529)
Net cash used in investing activities	(268,498)	(93,851)
Cash flows from financing activities:
Proceeds from loans	4,236
Additions to deferred financing costs		(7)
Principal payments on capital lease obligations	(722)	(661)
Acquisition of restricted shares	(224)
Proceeds from stock option exercises	497	514
Excess tax benefit on share-based awards	306	133
Net cash provided by (used in) financing activities	4,093	(21)
Net increase (decrease) in cash and cash equivalents	(83,458)	34,753
Cash and cash equivalents at beginning of period	304,876	319,745
Cash and cash equivalents at end of period	221,418	354,498
Non-cash investing and financing activities:
Deemed capital contributions, net primarily related to income taxes prior to the Distribution		3,060
Capital expenditures incurred but not yet paid	111,742	30,151
Asset retirement obligations		9,827
Leasehold improvements paid by landlord	$ 1,786	$ 1,609