1.0.0.3 false Shareholders' Equity false 1 $ false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDPerShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS 0 wlt_NotesToConsolidatedFinancialsAbstract wlt false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false No definition available. false 3 Stockholders' Equity 1 us-gaap_StockholdersEquityNoteDisclosureTextBlock us-gaap true na duration string No definition available. false false false false false false false false false 1 false false 0 0 <table style="font-size:10pt; font-family:'Times New Roman',times,serif;"> <tr> <td> Note 7Stockholders' Equity         In 2008, the Board of Directors approved a $100.0 million share repurchase program. Purchases are based on liquidity and market conditions. In the first quarter of 2009, 1,371,750 shares were repurchased for $28.0 million. No repurchases were made in the second or third quarters of 2009 under this program. A total of 2,648,493 shares have been repurchased for $73.1 million under this program. In addition, on April 23, 2009, shareholders voted to grant the Company the authority to issue 20,000,000 shares of Preferred Stock, par value $.01 per share. The Board believes the ability to issue preferred stock is necessary in order to provide the Company with greater flexibility in structuring future capital raising transactions, acquisitions and/or joint ventures, including taking advantage of financing techniques that receive favorable treatment from credit rating agencies. No preferred shares have been issued.</td></tr></table> Note 7Stockholders' Equity         In 2008, the Board of Directors approved a $100.0 million false false No definition available. No authoritative reference available. false false 1 2 false UnKnown UnKnown UnKnown false true