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INCOME TAXES - ADDITIONAL INFORMATION (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Income Tax Expense (Benefit) | $ 56,400 |  |  |
Income Tax Examination, Description | The statutes of limitation with respect to the Company’s 2004 to 2007 U.S. federal income tax returns are open by waiver only in connection with the implementation of the Mutual Agreement Procedure (“MAP”) concluded in the fourth quarter of 2015 between the Competent Authorities of the Internal Revenue Service (the "IRS") and the Canada Revenue Agency (the “CRA”) and the request for MAP assistance filed with the IRS and CRA in 2017 with respect to certain other 2004 to 2007 transfer pricing matters. The statutes of limitation with respect to the Company’s 2008 to 2011 U.S. federal income tax returns are open by waiver only in connection with the implementation of the Advance Pricing Agreement (“APA”) concluded in the fourth quarter of 2015 between the IRS and CRA and certain other transfer pricing matters pending with the CRA. The statutes of limitation with respect to the Company’s 2012 and 2013 U.S. federal income tax returns are open by waiver only in connection with the IRS examination of the 2012 and 2013 years and the APA. |  |  |
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation |  | $ (100) |  |
Deferred Tax Assets, Operating Loss Carryforwards | $ 19,128 | 18,440 |  |
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation |  |  | $ 1,600 |
Undistributed Earnings of Foreign Subsidiaries | 884,000 |  |  |
Unrecognized Tax Benefits | 4,348 | 6,181 | 5,436 | $ 20,033
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 1,700 | 7,500 | $ 6,200 |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 3,000 |  |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | $ 1,800 | $ 2,200 |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 35.00% | 35.00% | 35.00% |
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount | $ 82,800 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Foreign | 0 | $ 15,698 |  |
Internal Revenue Service (IRS) [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Foreign |  | 15,700 |  |
Taxes Payable | 65,000 |  |  |
Canada Revenue Agency [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 10,400 | 10,000 |  |
Unrecognized Tax Benefits |  | 6,181 | $ 5,436 |
Foreign Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 7,000 | 6,200 |  |
Deferred Tax Assets, Tax Credit Carryforwards | 17,800 |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards | 3,100 | $ 3,200 |  |
Canada |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Undistributed Earnings of Foreign Subsidiaries | $ 807,200 |  |  |
Minimum | Canada Revenue Agency [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Date | Jan. 01, 2029 |  |  |
Minimum | Foreign Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Date | Jan. 01, 2019 |  |  |
Minimum | State and Local Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Date | Jan. 01, 2022 |  |  |
Settlement with Taxing Authority [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 300 |  |  |

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