Commitments And Contingencies (Reconciliation Of Contingent Consideration Liability) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Business Combination, Contingent Consideration, Reconciliation of Change in Liability [Roll Forward]
Balance at beginning of period	$ 7,414,000		$ 11,519,000
Acquisitions	1,455,000		0
Payments	(1,098,000)		(875,000)
Accretion	261,000	[1]	392,000	[1]
Fair value adjustments	410,000	[1]	(148,000)	[1]
Balance at end of period	8,442,000	[2]	10,888,000	[2]
Less current portion in accrued expenses and other current liabilities	(2,656,000)		(5,412,000)
Total long-term portion in other long-term liabilities	5,786,000		5,476,000
Contingent consideration, total remaining estimated payments	$ 12,200,000

[1] Recorded in selling, general and administrative expense in the Condensed Consolidated Statements of Income

[2] Amounts represent the fair value of estimated remaining payments. The total estimated remaining payments as of March 31, 2014 are $12.2 million. The liability for contingent consideration expires at various dates through September 2029. Certain of the products subject to contingent consideration have a remaining maximum contingent consideration while the remaining products have no maximum contingent consideration.