Stockholders' Equity - Additional Information (Detail) - USD ($)				1 Months Ended				3 Months Ended
	Jan. 27, 2016	Aug. 15, 2012	Aug. 13, 2009	Feb. 28, 2014	Jul. 31, 2013	Feb. 28, 2013	Oct. 31, 2011	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015	Sep. 30, 2015	Mar. 18, 2013	May. 23, 2011
Class Of Stock [Line Items]
Number of preferred stock distributed to common stockholders	1
Preferred stock purchase rights exercise price	$ 30
Preferred stock purchase discount percentage	50.00%
Minimum
Class Of Stock [Line Items]
Equity ownership percentage	20.00%
Warrant
Class Of Stock [Line Items]
Weighted average contractual term of awards outstanding and exercisable								1 year 6 months	2 years 6 months 4 days
Convertible Notes | 1.50% Senior Subordinated Notes Due March 15, 2018
Class Of Stock [Line Items]
Debt instrument, interest rate, stated percentage								1.50%	1.50%	1.50%		1.50%
Convertible Notes | 2.50% Senior Subordinated Notes Due June 2016
Class Of Stock [Line Items]
Debt instrument, interest rate, stated percentage								2.50%	2.50%	2.50%			2.50%
Stock Options
Class Of Stock [Line Items]
Compensation expense related to stock grants								$ 0	$ 0
Restricted Stock
Class Of Stock [Line Items]
Compensation expense related to stock grants								2,000,000	$ 2,600,000
Compensation cost not yet recognized								$ 12,500,000
Compensation cost not yet recognized, period for recognition								3 years
Share based compensation awards granted in period								2,646,139
Restricted Stock | Maximum
Class Of Stock [Line Items]
Share based compensation awards vesting period								3 years
Retention Stock
Class Of Stock [Line Items]
Share based compensation awards vesting period	3 years
Share based compensation awards granted in period	7,500,000
Share based compensation awards granted in period, value	$ 1,300,000
Stock Incentive Plan 2009
Class Of Stock [Line Items]
Number of common stock shares authorized under Equity Incentive Plan			3,000,000
Plan expiration date			Aug. 13, 2019
Amended and Restated Stock Incentive Plan 2009
Class Of Stock [Line Items]
Number of common stock shares authorized under Equity Incentive Plan		7,000,000
Plan expiration date		Aug. 15, 2022
Number of additional common stock shares approved for issuance under amended and restated 2009 Equity Incentive Plan		4,000,000
Common stock available for issuance								0
Previous Plan
Class Of Stock [Line Items]
Common stock available for issuance								0
Long Term Incentive Compensation
Class Of Stock [Line Items]
Share based compensation awards granted in period								796,803
Share based compensation awards granted in period, value								$ 6,400,000
Description of new plan								Other than for Mr. Haugh, the PSUs cliff vest over three years based on the achievement of operating income performance targets established by the Compensation Committee. One-third of Mr. Haugh’s PSUs shall be converted to time-based awards on December 31, 2016, December 31, 2017 and December 31, 2018, based on the achievement of operating income performance targets established by the Compensation Committee, and such time-based awards shall vest and be settled on December 31, 2018. To the extent there are not enough shares of common stock to be issued under the Company’s 2009 Amended and Restated Equity Incentive Plan, as amended, or a new stockholder approved equity incentive plan is not approved to satisfy the obligations under the 2016 LTIP, grantees of awards made pursuant to the 2016 LTIP shall be entitled to cash in an amount equal to any shortfall for such shares based on the closing price of the Company’s common stock on the date of vesting.
Long Term Incentive Compensation | RSUs
Class Of Stock [Line Items]
Share based compensation awards vesting period								3 years
Long Term Incentive Compensation | RSUs | Other Than Mr Haugh
Class Of Stock [Line Items]
Share based compensation form of wards percentage								33.00%
Long Term Incentive Compensation | RSUs | Mr. Haugh
Class Of Stock [Line Items]
Share based compensation form of wards percentage								25.00%
Long Term Incentive Compensation | PSUs | Other Than Mr Haugh
Class Of Stock [Line Items]
Share based compensation form of wards percentage								67.00%
Long Term Incentive Compensation | PSUs | Mr. Haugh
Class Of Stock [Line Items]
Share based compensation form of wards percentage								75.00%
February 2013 Program
Class Of Stock [Line Items]
Repurchase of common stock authorized value						$ 300,000,000
Period of common stock repurchase, years						3 years
2011 Program
Class Of Stock [Line Items]
Repurchase of common stock authorized value							$ 200,000,000
Period of common stock repurchase, years							3 years
July 2013 Program
Class Of Stock [Line Items]
Repurchase of common stock authorized value					$ 300,000,000
Period of common stock repurchase, years					3 years
Accounts payable and accrued expenses											$ 13,300,000
February 2014 Program
Class Of Stock [Line Items]
Repurchase of common stock authorized value				$ 500,000,000
Period of common stock repurchase, years				3 years
Accounts payable and accrued expenses											$ 500,000,000