Other Comprehensive Income (Loss) (Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	$ 114,794	$ 123,799	$ 360,784	$ 383,428
Interest expense	10,229	10,461	31,410	31,323
Provision for income taxes	(32,772)	(29,889)	(88,614)	(89,332)
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	1,215	1,927	3,605	3,404
Total before tax	1,215	1,927	3,605	3,404
Provision for income taxes	(397)	(313)	(1,187)	(834)
Total net of tax	818	1,614	2,418	2,570
Reclassification out of Accumulated Other Comprehensive Income | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	1,748	1,795	5,287	5,432
Interest expense	1,748	1,795	5,287	5,432
Provision for income taxes	(634)	(654)	(1,917)	(1,979)
Total net of tax	$ 1,114	$ 1,141	$ 3,370	$ 3,453