Other Comprehensive Income (Loss) (Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	$ 120,778	$ 124,284
Interest expense	10,489	10,597
Provision for income taxes	(24,682)	(26,929)
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	993	1,175
Total before tax	993	1,175
Provision for income taxes	(322)	(395)
Total net of tax	671	780
Reclassification out of Accumulated Other Comprehensive Income | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	1,724	1,772
Interest expense	1,724	1,772
Provision for income taxes	(627)	(642)
Total net of tax	$ 1,097	$ 1,130