Pension and Non-pension Postretirement Benefits (Net Benefit Costs) (Details) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended
	Jan. 02, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Amortization of unrecognized:
Settlement charge		$ 0	$ 760,000	$ 0	$ 1,475,000
Defined Benefit Pension Plans and SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		1,483,000	1,913,000	4,472,000	5,691,000
Interest cost		5,241,000	4,853,000	15,776,000	14,286,000
Expected return on plan assets		(6,213,000)	(6,118,000)	(18,662,000)	(18,299,000)
Amortization of unrecognized:
Prior service cost		320,000	358,000	964,000	1,066,000
Loss / (gain)		1,267,000	2,318,000	3,813,000	7,121,000
Settlement charge		0	760,000	0	1,475,000
Pension expense or non-pension postretirement benefit expense		2,098,000	4,084,000	6,363,000	11,340,000
Defined Benefit Plan, Contributions [Abstract]
Employer contributions made to defined benefit plans		1,200,000		3,100,000
Estimated employer contributions to defined benefit plans in remainder of 2014		3,200,000
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		916,000	1,184,000	2,748,000	3,554,000
Interest cost		3,845,000	3,582,000	11,534,000	10,564,000
Expected return on plan assets		(5,597,000)	(5,571,000)	(16,790,000)	(16,775,000)
Amortization of unrecognized:
Prior service cost		265,000	293,000	794,000	879,000
Loss / (gain)		1,014,000	2,095,000	3,043,000	6,445,000
Settlement charge		0	424,000	0	1,139,000
Pension expense or non-pension postretirement benefit expense		443,000	2,007,000	1,329,000	5,806,000
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		567,000	729,000	1,724,000	2,137,000
Interest cost		1,396,000	1,271,000	4,242,000	3,722,000
Expected return on plan assets		(616,000)	(547,000)	(1,872,000)	(1,524,000)
Amortization of unrecognized:
Prior service cost		55,000	65,000	170,000	187,000
Loss / (gain)		253,000	223,000	770,000	676,000
Settlement charge		0	336,000	0	336,000
Pension expense or non-pension postretirement benefit expense		1,655,000	2,077,000	5,034,000	5,534,000
Non-Pension Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		252,000	298,000	756,000	894,000
Interest cost		736,000	684,000	2,212,000	2,049,000
Amortization of unrecognized:
Prior service cost		35,000	35,000	105,000	105,000
Loss / (gain)		66,000	214,000	200,000	643,000
Pension expense or non-pension postretirement benefit expense		1,089,000	1,231,000	3,273,000	3,691,000
Defined Benefit Plan, Contributions [Abstract]
Employer contributions made to defined benefit plans		1,800,000		3,900,000
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	298,000	755,000	893,000
Interest cost		710,000	655,000	2,130,000	1,966,000
Amortization of unrecognized:
Prior service cost		35,000	35,000	105,000	105,000
Loss / (gain)		66,000	214,000	200,000	643,000
Pension expense or non-pension postretirement benefit expense		1,063,000	1,202,000	3,190,000	3,607,000
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		0	0	1,000	1,000
Interest cost		26,000	29,000	82,000	83,000
Amortization of unrecognized:
Prior service cost		0	0	0	0
Loss / (gain)		0	0	0	0
Pension expense or non-pension postretirement benefit expense		$ 26,000	$ 29,000	$ 83,000	$ 84,000