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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax [Line Items] |  |  |  |
Tax benefit from stock options exercised | $ 400,000 | $ 3,200,000 | $ 2,200,000 |
Income tax benefit charged to additional paid-in capital | 400,000 | 2,300,000 | 1,200,000 |
Federal net operating losses, deferred tax asset before valuation allowance | 13,700,000 |  |  |
Deferred tax assets before valuation allowances | 140,146,000 | 126,563,000 |  |
Foreign net operating losses, deferred tax asset before valuation allowance | 48,600,000 |  |  |
Foreign income tax credits | $ 53,976,000 | 53,976,000 |  |
Foreign income tax credits, expiration period | 2023 |  |  |
Valuation allowance | $ 105,541,000 | 91,672,000 |  |
Increase (decrease) in valuation allowance | 13,900,000 |  |  |
Cash and cash equivalents | 762,576,000 | 540,403,000 | 740,884,000 | $ 491,912,000
Undistributed earnings | 1,900,000,000 |  |  |
Unrecognized tax benefits | 94,915,000 | 92,538,000 | 66,984,000 |
Unrecognized tax benefits that would affect our effective tax rate | 39,100,000 | 43,800,000 |  |
Unrecognized tax benefits that would affect our effective tax rate, net of federal benefits received | 35,700,000 | 40,700,000 |  |
Accrued expense and penalties | 2,900,000 | 3,200,000 | 3,000,000 |
Accrued interest and penalties reversed |  |  | $ 10,500,000 |
Liability for interest and penalties | 31,700,000 | 28,800,000 |  |
Interest expense | 24,300,000 | 22,100,000 |  |
Minimum [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Anticipated settlement of unrecognized tax benefits | 61,600,000 |  |  |
Maximum [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Anticipated settlement of unrecognized tax benefits |  | $ 63,100,000 |  |
Non-U.S Subsidiaries [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Cash and cash equivalents | 408,900,000 |  |  |
Non-U.S. Net Operating Losses and Other Assets [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Increase (decrease) in valuation allowance | (2,800,000) |  |  |
Foreign currency translation [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Increase (decrease) in valuation allowance | (500,000) |  |  |
U.S. net operating losses and other assets [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Increase (decrease) in valuation allowance | (600,000) |  |  |
Foreign net operating loss adjustments [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Increase (decrease) in valuation allowance | 16,900,000 |  |  |
Non-U.S. net operating losses and other foreign assets [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Increase (decrease) in valuation allowance | 900,000 |  |  |
Federal [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Net operating loss carryforwards | $ 39,100,000 |  |  |
Operating loss carryforward, expiration period | 2023 |  |  |
State [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Deferred tax assets before valuation allowances | $ 2,900,000 |  |  |
Operating loss carryforward, expiration period | 2017 |  |  |
Foreign [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Operating loss carryforward, expiration period | 2017 |  |  |

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