Accrued Expenses - Accrued Expense (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Accrued And Other Liabilities [Line Items]
Deferred revenue and customer deposits, net of long-term deferred revenue of $30,602 and 33,286	$ 87,732	$ 93,144
Accrued wages	68,754	47,240
Interest payable	60,739	39,868
Accrued phone	42,750	36,105
Accrued other taxes (non-income related)	38,828	38,608
Sponsor management termination accrual	24,000
Accrued subordinated debt call premium	16,502
Accrued employee benefit costs	11,112	11,414
Accrued lease expense	2,943	8,392
Income taxes payable		4,336
Interest rate hedge position	695	2,346
Other current liabilities	30,630	30,843
Total	$ 384,685	$ 312,296