CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Thousands	Dec. 31, 2015	Dec. 31, 2014
CONDENSED CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share) | $ / shares	$ 0.005	$ 0.005
Common stock, shares authorized	240,000	240,000
Common stock, shares issued	207,019	207,004
Common stock, shares outstanding	202,900	167,722
Common stock in treasury, shares	4,119	39,282