Share-Based Compensation (Allocated Share-Based Compensation) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Stock Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	$ 2,968	$ 2,242	$ 3,887	$ 4,476
Tax effect of share-based compensation	(1,068)	(830)	(1,399)	(1,656)
Total, net of tax	1,900	1,412	2,488	2,820
Stock Options [Member] | Cost of goods sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	300	224	388	447
Stock Options [Member] | Selling, general and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	2,668	2,018	3,499	4,029
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	27	24	50	58
Tax effect of share-based compensation	(10)	(9)	(19)	(21)
Total, net of tax	17	15	31	37
Restricted Stock Units (RSUs) [Member] | Cost of goods sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	0	2	0	5
Restricted Stock Units (RSUs) [Member] | Selling, general and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	$ 27	$ 22	$ 50	$ 53