Recapitalization - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended			9 Months Ended
	Apr. 02, 2012	Sep. 09, 2012	Mar. 25, 2012	Sep. 11, 2011	Sep. 09, 2012	Sep. 11, 2011	Jan. 01, 2012
Debt Instrument [Line Items]
Repayments of outstanding principal under the 2007 Notes					$ 1,447,000,000
Special cash dividend per share			$ 3.00
Dividend declared date			Mar. 16, 2012
Aggregate dividends payable amount			171,100,000
Dividend paid date			Apr. 02, 2012
Liability for future dividend payments on performance-based restricted stock	2,400,000	1,500,000			1,500,000
Dividend equivalent payments on certain stock options	13,500,000
Cash paid for common stock dividend and related anti-dilution equivalent payments					185,475,000
Common stock dividends and equivalents					187,000,000
Interest expense		20,683,000		20,984,000	73,651,000	63,485,000
2012 recapitalization-related expenses					252,000
Additional deferred financing costs in connection with the 2012 Recapitalization					32,500,000
Deferred financing costs							7,400,000
Deferred financing costs, amortization period					7 years
Additional Paid-in Capital
Debt Instrument [Line Items]
Common stock dividends and equivalents					10,163,000
Retained Deficit
Debt Instrument [Line Items]
Common stock dividends and equivalents					176,821,000
Series 2012-1 5.216% Fixed Rate Senior Secured Notes, Class A-2
Debt Instrument [Line Items]
Senior secured notes		1,575,000,000			1,575,000,000
Debt instrument, stated percentage		5.216%			5.216%
Anticipated maturity term					7 years
Legal maturity term					30 years
Scheduled principal payments in year 2012		17,700,000			17,700,000
Scheduled principal payments in year 2013		23,600,000			23,600,000
Scheduled principal payments in year 2014		23,600,000			23,600,000
Scheduled principal payments in year 2015		29,500,000			29,500,000
Scheduled principal payments in year 2016		37,400,000			37,400,000
Scheduled principal payments in year 2017		39,400,000			39,400,000
Scheduled principal payments in year 2018		39,400,000			39,400,000
Scheduled principal payments in year 2019		9,800,000			9,800,000
Leverage ratio of total debt to earnings before interest, tax, depreciation amortization					4.5
Payments of note					11,800,000
Series 2012-1 Variable Funding Notes
Debt Instrument [Line Items]
Senior secured notes		100,000,000			100,000,000
Anticipated maturity term					5 years
Legal maturity term					30 years
Number of renewals					2
Term of renewals					1 year
2012 Recapitalization
Debt Instrument [Line Items]
Recapitalization expenses					10,500,000
Expenses related to write-offs of deferred financing fees, bond discount and interest rate swap related to extinguished debt					8,100,000
Interest expense					$ 2,100,000