CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Shareholders Equity:
Preferred stock, par value (in dollars per share)	$ 0.02	$ 0.02
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)	$ 0.02	$ 0.02
Common stock, authorized (in shares)	29,000,000	29,000,000
Common stock, issued (in shares)	17,050,102	16,863,868
Common stock, outstanding (in shares)	15,342,818	15,156,584
Treasury stock, at cost (in shares)	1,707,284	1,707,284