Summary Of Significant Accounting Policies (Summary Of Net Revenues By Product Category) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Summary Of Significant Accounting Policies
Respiratory and other chronic therapies	$ 403,022	$ 371,661	$ 789,042	$ 739,862
DME, infusion and enteral therapies	46,011	46,705	91,558	88,544
Total net revenues	$ 449,033	$ 418,366	$ 880,600	$ 828,406