Other Noncurrent Assets (Tables)

9 Months Ended

Sep. 30, 2012

Other Noncurrent Assets [Abstract]

Schedule Of Other Noncurrent Assets

	September 30,		December 31,
		2012		2011
Investment in long-term product supply arrangements	$	10,750	$	12,091
Customer acquisition costs, net		22,488		21,075
Other assets		19,723		14,825
	$	52,961	$	47,991