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Pension Plans - Summary of Amounts in Accumulated OCI to be Amortized Over Next Fiscal Year (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($)
Compensation and Retirement Disclosure [Abstract] |
Amortization of unrecognized loss | $ 27.6
Amortization of prior service credit | (1.1)
Total to be recognized in net periodic benefit cost | $ 26.5

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- Definition Defined Benefit Plan Future Amortization Of Unrecognized Gain Loss + 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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- Definition Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) 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. + References No definition available. + Details
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