Pension, Post-Retirement and Post-Employment Plans (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Service cost			$ 0
Pension Plan [Member] | Domestic [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	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	200,000	200,000
Net periodic (benefit) cost	100,000	100,000	200,000	200,000
Other Postretirement Benefit Plan [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost on the projected benefit obligation	0	0	0	0
Net periodic (benefit) cost	0	0	0	0
Pension And SERP Benefits [Member] | Domestic [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0		0
Interest cost on the projected benefit obligation	1,600,000	1,700,000	3,200,000	3,400,000
Expected return on plan assets	(2,400,000)	(2,400,000)	(4,800,000)	(4,800,000)
Net periodic (benefit) cost	(800,000)	(700,000)	(1,600,000)	(1,400,000)
Pension And SERP Benefits [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	200,000	200,000	400,000	400,000
Interest cost on the projected benefit obligation	500,000	800,000	1,000,000	1,600,000
Expected return on plan assets	(500,000)	(900,000)	(1,000,000)	(1,800,000)
Net periodic (benefit) cost	$ 200,000	$ 100,000	$ 400,000	$ 200,000