Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounts receivable, less allowance for doubtful accounts	$ 2,912	$ 4,118
Common stock, par value	$ 0.125	$ 0.125
Common stock, shares authorized	1,000,000	1,000,000
Common stock, shares issued	191,731	187,908
Common stock, shares outstanding	191,731	187,908