CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
CONDENSED CONSOLIDATED BALANCE SHEETS [Abstract]
Accounts receivable, reserves	$ 15,408	$ 14,139
Inventories, reserves	$ 25,938	$ 28,225
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	220,000,000	220,000,000
Common stock, shares issued	114,301,000	113,115,000
Treasury stock, at cost, shares	1,330,000	892,000