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Postretirement Benefit Plans - Estimated Amounts Reclassified from Accumulated Other Comprehensive Income into Net Periodic Benefit Cost (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($)
United States [Member] |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
Net actuarial loss | $ 3,152
United Kingdom [Member] |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
Net actuarial loss | $ 365

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- Definition Pension plans postretirement and other employee benefits. + References No definition available. + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). + References No definition available. + Details
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- Details
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- Details
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