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Components of Accumulated Other Comprehensive Loss, Net (Parenthetical) (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Accumulated Deferred Gains (Losses) on Cash Flow Hedges: |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Derivative fair value adjustment, tax | $ 189 | $ 0
Accumulated Effect of Retirement Benefit Obligations: |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Amortization of actuarial losses, taxes | $ 8 | $ 12

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