CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
Common Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized	300,000,000	300,000,000
Common Stock, Shares Issued	164,624,000	163,540,000
Common Stock, Shares Outstanding	161,641,000	160,818,000
Treasury Stock, Shares	2,983,000	2,722,000