SEGMENT AND GEOGRAPHIC INFORMATION: (Tables)

12 Months Ended

Dec. 31, 2011

SEGMENT AND GEOGRAPHIC INFORMATION:

Schedule of geographic data

	2011		2010		2009
Net product sales:
United States	$	487,185	$	471,714	$	455,517
Foreign	41,184		45,435		40,075
	$	528,369	$	517,149	$	495,592
Long-lived assets:
United States	$	170,173	$	172,087	$	176,044
Foreign	41,989		43,405		44,677
	$	212,162	$	215,492	$	220,721