Pension, Post-Retirement and Post-Employment Plans (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Pension Plan [Member] | Domestic [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Other Postretirement Benefit Plan [Member] | Domestic [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost on the projected benefit obligation	100,000	100,000
Net periodic (benefit) cost	100,000	100,000
Other Postretirement Benefit Plan [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost on the projected benefit obligation	0	0
Net periodic (benefit) cost	0	0
Pension And SERP Benefits [Member] | Domestic [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost on the projected benefit obligation	1,600,000	1,700,000
Expected return on plan assets	(2,400,000)	(2,400,000)
Net periodic (benefit) cost	(800,000)	(700,000)
Pension And SERP Benefits [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	200,000	200,000
Interest cost on the projected benefit obligation	500,000	800,000
Expected return on plan assets	(500,000)	(900,000)
Net periodic (benefit) cost	$ 200,000	$ 100,000