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Components of Accumulated Other Comprehensive Loss, Net (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended
	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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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