Other Noncurrent Assets (Tables)

3 Months Ended

Mar. 31, 2013

Other Noncurrent Assets [Abstract]

Schedule Of Other Noncurrent Assets

	March 31,		December 31,
		2013		2012
Investment in long-term product supply arrangements	$	10,079	$	10,324
Customer acquisition costs, net		21,187		21,795
Other assets		19,740		18,942
	$	51,006	$	51,061