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Stock-Based Compensation and Shareholders' Equity - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Stock Appreciation Rights
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Dec. 31, 2012
Stock Appreciation Rights
|
Dec. 31, 2011
Stock Appreciation Rights
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Dec. 31, 2013
Cash-settled stock appreciation
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Dec. 31, 2013
Employee stock purchase plan
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Dec. 31, 2012
Employee stock purchase plan
|
Dec. 31, 2011
Employee stock purchase plan
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Dec. 31, 2013
Employee stock purchase plan
Beginning of Period
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Dec. 31, 2013
Employee stock purchase plan
End of Period
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Dec. 31, 2013
Liability-classified share awards
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Dec. 31, 2012
Liability-classified share awards
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Dec. 31, 2011
Liability-classified share awards
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Dec. 31, 2010
Liability-classified share awards
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Jun. 11, 2012
Stock Incentive Plan 2011
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Dec. 31, 2013
Stock Incentive Plan 2011
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Jun. 17, 2013
Stock Incentive Plan 2011
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Dec. 31, 2013
Stock Incentive Plan 2011
Minimum
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Dec. 31, 2013
Stock Incentive Plan 2011
Maximum
|
Dec. 31, 2013
Stock Incentive Plan 2011
Stock Appreciation Rights
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Dec. 31, 2013
Stock Incentive Plan 2011
Cash-settled stock appreciation
|
Dec. 31, 2013
Stock Incentive Plan 2011
Stock Settled Stock Units
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Dec. 31, 2013
Stock Incentive Plan 2011
Cash Settled Stock Units
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||||||||||||||||
| Stock split ratio | 2 | |||||||||||||||||||||||||
| Increase in number of shares of common stock available for issuance | 9,000,000 | 17,000,000 | ||||||||||||||||||||||||
| Award reduction rate | 3.5 | 3.0 | ||||||||||||||||||||||||
| Terms of award (in years) | 5 years | |||||||||||||||||||||||||
| Vesting period | 48 months | 60 months | ||||||||||||||||||||||||
| Outstanding balance | 12,956,094 | 13,530,642 | 12,956,094 | |||||||||||||||||||||||
| Outstanding balance | 87,734 | 80,000 | 7,734 | |||||||||||||||||||||||
| Outstanding balance | 966,596 | |||||||||||||||||||||||||
| Shares available for future grants | 1,134,375 | 36,087,383 | ||||||||||||||||||||||||
| Stock appreciation rights granted during period | 40,000 | |||||||||||||||||||||||||
| Weighted average base price | $ 60.40 | |||||||||||||||||||||||||
| Stock-based compensation expense | $ 59,998 | $ 45,384 | $ 48,718 | $ 338 | $ 175 | $ 0 | ||||||||||||||||||||
| Shares vested in period | 16,875 | |||||||||||||||||||||||||
| Stock-based liability | 513 | |||||||||||||||||||||||||
| Aggregate intrinsic value of stock awards exercised | 120,775 | 228,698 | 98,235 | |||||||||||||||||||||||
| Aggregate intrinsic value of stock awards outstanding | 295,443 | |||||||||||||||||||||||||
| Aggregate intrinsic value exercisable | 111,823 | |||||||||||||||||||||||||
| Employee entitlement for purchase of the Company's common stock during each calendar year | 25 | |||||||||||||||||||||||||
| Stock purchase price as percentage of fair market value | 100.00% | 85.00% | ||||||||||||||||||||||||
| Payroll withholdings and lump-sum payments related to the plan, included in accrued compensation and benefits | 603,013 | 566,911 | 12,817 | 8,322 | 5,889 | |||||||||||||||||||||
| Stock issued for employee stock purchase plans | 237,961 | 202,658 | 182,706 | |||||||||||||||||||||||
| Expected volatility Rate | 28.00% | 26.00% | 22.00% | |||||||||||||||||||||||
| Risk free interest rate | 0.20% | 0.10% | 0.50% | |||||||||||||||||||||||
| Weighted average fair value | $ 13.47 | $ 11.28 | $ 10.97 | $ 14.24 | $ 10.05 | $ 8.60 | ||||||||||||||||||||
| Tax benefit for stock-based Compensation | 22,187 | 16,874 | 18,424 | |||||||||||||||||||||||
| Unrecognized compensation cost related to nonvested stock-based compensation arrangements under equity compensation and stock purchase plans | 89,419 | |||||||||||||||||||||||||
| Unrecognized compensation cost related to nonvested stock-based compensation arrangements under equity compensation and stock purchase plans, weighted average remaining period (in years) | 1 year 3 months 18 days | |||||||||||||||||||||||||
| Proceeds from stock option exercises | 0 | 2,175 | 5,443 | |||||||||||||||||||||||
| Tax benefits from stock award exercises | 46,898 | 88,964 | 38,199 | |||||||||||||||||||||||
| Common stock shares repurchased | 0 | 0 | 7,589,372 | |||||||||||||||||||||||
| Common stock shares repurchased Amount | 323,348 | |||||||||||||||||||||||||
| Average repurchase price | $ 42.61 | |||||||||||||||||||||||||
| Repurchase share authorized outstanding amount | 358,200 | |||||||||||||||||||||||||
| Charter documents and Delaware law description | The Company’s charter documents include provisions that may deter hostile takeovers, delay or prevent changes of control or changes in management, or limit the ability of stockholders to approve transactions that they may otherwise determine to be in their best interests. These include provisions prohibiting stockholders from acting by written consent, requiring 90 days advance notice of stockholder proposals or nominations to the Board of Directors and granting the Board of Directors the authority to issue up to five million shares of preferred stock and to determine the rights and preferences of the preferred stock without the need for further stockholder approval. The Company is also subject to Section 203 of the Delaware General Corporation Law that, subject to exceptions, would prohibit the Company from engaging in any business combinations with any interested stockholder, as defined in that section, for a period of three years following the date on which that stockholder became an interested stockholder. These restrictions may discourage, delay or prevent a change in the control of the Company | |||||||||||||||||||||||||
| Preferred stock authorized to be issued | 5,000,000 | 5,000,000 | ||||||||||||||||||||||||
| Acquisition of additional ownership interests in several existing majority-owned joint ventures | 3,569 | 26,761 | 13,689 | |||||||||||||||||||||||
| Deferred purchase price obligations | $ 209 | |||||||||||||||||||||||||