Changes in Level 3 Assets (Detail) - Level 3 [Member] $ in Millions |
12 Months Ended |
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Dec. 31, 2016
USD ($)
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| Defined Benefit Plan Disclosure [Line Items] | |
| Beginning fair value of plan assets | $ 1.3 |
| Return on plan assets | 0.1 |
| Purchases | 0.1 |
| Sales | (0.1) |
| Ending fair value of plan assets | $ 1.4 |
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- Definition Defined benefit plan purchases. No definition available.
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- Definition Defined benefit plan sales. No definition available.
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- Definition The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. No definition available.
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- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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