Other Comprehensive Income (Loss) (Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of business	$ (18,070)	$ 0	$ 0
Selling, general and administrative expenses	479,408	504,419	477,851
Interest expense	41,636	41,895	42,206
Provision for income taxes	(109,538)	(113,054)	(97,914)
Reclassification out of Accumulated Other Comprehensive Income | Foreign Currency Translation
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of business	4,725	0	0
Total before tax	(4,725)	0	0
Provision for income taxes	0	0	0
Total net of tax	(4,725)	0	0
Reclassification out of Accumulated Other Comprehensive Income | Pension and Other Postretirement Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	4,939	3,113	8,599
Total before tax	4,939	3,113	8,599
Provision for income taxes	(1,431)	(915)	(3,226)
Total net of tax	3,508	2,198	5,373
Reclassification out of Accumulated Other Comprehensive Income | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	7,030	7,223	7,430
Total before tax	7,030	7,223	7,430
Provision for income taxes	(2,499)	(2,713)	(2,692)
Total net of tax	$ 4,531	$ 4,510	$ 4,738