Pension and Post-Retirement Benefits (Additional Information) (Details) - Pension Plan [Member] - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 8,108	$ 0
Estimated future employer contributions in current fiscal year	2,569
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Contributions by Employer	659	$ 0
Estimated future employer contributions in current fiscal year	$ 143