Share-Based Compensation (Allocated Share-Based Compensation) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Stock Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	$ 919	$ 2,234
Tax effect of share-based compensation	(340)	(827)
Total, net of tax	579	1,407
Stock Options [Member] | Cost of goods sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	89	223
Stock Options [Member] | Selling, general and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	830	2,011
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total, pre-tax	23	34
Tax effect of share-based compensation	(9)	(13)
Total, net of tax	14	21
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	3
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	$ 23	$ 31