Pension and Non-pension Postretirement Benefits (Net Benefit Costs) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Jan. 02, 2013
Defined Benefit Pension Plans and SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,603,000	$ 2,000,000
Interest cost	5,294,000	4,737,000
Expected return on plan assets	(6,240,000)	(6,080,000)
Amortization of unrecognized:
Prior service cost	322,000	355,000
Loss / (gain)	1,500,000	2,325,000
Pension expense or non-pension postretirement benefit expense	2,479,000	3,337,000
Defined Benefit Plan, Contributions [Abstract]
Employer contributions made to defined benefit plans	1,100,000
Estimated employer contributions to defined benefit plans in remainder of 2014	5,200,000
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,025,000	1,278,000
Interest cost	3,870,000	3,481,000
Expected return on plan assets	(5,608,000)	(5,599,000)
Amortization of unrecognized:
Prior service cost	265,000	293,000
Loss / (gain)	1,242,000	2,087,000
Pension expense or non-pension postretirement benefit expense	794,000	1,540,000
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	578,000	722,000
Interest cost	1,424,000	1,256,000
Expected return on plan assets	(632,000)	(481,000)
Amortization of unrecognized:
Prior service cost	57,000	62,000
Loss / (gain)	258,000	238,000
Pension expense or non-pension postretirement benefit expense	1,685,000	1,797,000
Non-Pension Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	252,000	392,000
Interest cost	737,000	724,000
Amortization of unrecognized:
Prior service cost	35,000	34,000
Loss / (gain)	67,000	290,000
Pension expense or non-pension postretirement benefit expense	1,091,000	1,440,000
Defined Benefit Plan, Contributions [Abstract]
Employer contributions made to defined benefit plans	1,100,000
Estimated employer contributions to defined benefit plans in year 2014	4,800,000
Retirees subject to health reimbursement arrangement, minimum age			65 years
Life insurance benefit, maximum			10,000
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	252,000	392,000
Interest cost	710,000	701,000
Amortization of unrecognized:
Prior service cost	35,000	34,000
Loss / (gain)	67,000	291,000
Pension expense or non-pension postretirement benefit expense	1,064,000	1,418,000
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	27,000	23,000
Amortization of unrecognized:
Prior service cost	0	0
Loss / (gain)	0	(1,000)
Pension expense or non-pension postretirement benefit expense	$ 27,000	$ 22,000