Other Comprehensive Income (Loss) (Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	$ 124,284	$ 130,585
Interest expense	10,597	10,457
Provision for income taxes	(26,929)	(29,674)
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	1,175	679
Total before tax	1,175	679
Provision for income taxes	(395)	(240)
Total net of tax	780	439
Reclassification out of Accumulated Other Comprehensive Income | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	1,772	1,820
Interest expense	1,772	1,820
Provision for income taxes	(642)	(663)
Total net of tax	$ 1,130	$ 1,157