Share-Based Compensation (Schedule Of Compensation Cost For Stock Options And Unvested Shares) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes	$ 12,076		$ 17,358	$ 15,710
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes	6,958	[1]	7,727	7,233
Income tax benefit	(2,208)	[1]	(2,450)	(2,322)
Total expense after income taxes	4,750	[1]	5,277	4,911
Unvested Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes	5,118	[2]	9,631	8,477
Income tax benefit	(1,827)	[2]	(2,097)	(1,444)
Total expense after income taxes	3,291	[2]	7,534	7,033
Cost Of Goods Sold [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes	805	[1]	804	945
Cost Of Goods Sold [Member] | Unvested Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes	684	[2]	311	248
Selling, General And Administrative Expenses [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes	6,153	[1]	6,923	6,288
Selling, General And Administrative Expenses [Member] | Unvested Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes	4,434	[2]	8,382	8,229
Restructuring Expenses [Member] | Unvested Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expense before income taxes			$ 938

[1] Reflects the forfeiture of stock options related to the Company's transition to a new CEO in August 2011.

[2] Reflects the forfeiture of unvested shares related to the Company's transition to a new CEO in August 2011.