Other Comprehensive Income (Loss) (Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	$ 123,799	$ 114,140	$ 383,428	$ 354,715
Interest expense	10,461	10,570	31,323	31,724
Provision for income taxes	(29,889)	(22,812)	(89,332)	(72,774)
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	1,927	1,328	3,404	4,784
Total before tax	1,927	1,328	3,404	4,784
Provision for income taxes	(313)	(632)	(834)	(1,877)
Total net of tax	1,614	696	2,570	2,907
Reclassification out of Accumulated Other Comprehensive Income | Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	1,795	1,847	5,432	5,587
Total before tax	1,795	1,847	5,432	5,587
Provision for income taxes	(654)	(673)	(1,979)	(2,036)
Total net of tax	$ 1,141	$ 1,174	$ 3,453	$ 3,551