Other Noncurrent Assets (Tables)

3 Months Ended

Mar. 31, 2014

Other Noncurrent Assets [Abstract]

Schedule Of Other Noncurrent Assets

	March 31,		December 31,
		2014		2013
Investment in long-term product supply arrangements	$	12,577	$	13,075
Customer acquisition costs, net		20,781		21,199
Other assets		25,827		22,957
	$	59,185	$	57,231