Pension Plans - Additional Information (Details) $ in Millions |
9 Months Ended |
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Sep. 30, 2017
USD ($)
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |
| Defined benefit pension plan contributed | $ 7.8 |
| Defined benefit pension plan additional contributions to make during the remainder of the year | 7.2 |
| Discontinued Operations, Disposed of by Sale | Licensing Business | |
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |
| Pension curtailment | $ 1.1 |
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- Definition Amount of contributions made by the employer to defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. 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 Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. No definition available.
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