Income Taxes (Schedule Of Deferred Tax Assets And (Liabilities)) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Accounts receivable	$ 25,454	$ 20,892
Inventories	6,527	3,876
Intangible assets		53,161
Litigation settlements and contingencies	13,135
Accrued expenses	1,214	4,714
Net operating losses and credit carryforwards	24,502	10,351
Asset impairments	1,486	1,900
Stock options and restricted shares	10,189	14,412
Product contribution carryforwards	1,264	1,536
Other	5,044	7,737
Total deferred tax assets	88,815	118,579
Fixed assets	(14,381)	(11,303)
Intangible assets	(33,524)
Other	(909)	(1,400)
Total deferred tax liabilities	(48,814)	(12,703)
Less valuation allowance - Net operating losses	(10,009)	(10,351)
Net deferred tax asset	$ 29,992	$ 95,525