Extinguishment Of Senior Notes	12 Months Ended
Extinguishment Of Senior Notes	Dec. 31, 2011
Extinguishment Of Senior Notes [Abstract]
Extinguishment Of Senior Notes	NOTE 18 Extinguishment of Senior Notes During 2011, the Company repurchased or redeemed $39.6 million of aggregate principal amount of its Senior Notes for total consideration of $40.6 million in cash, plus accrued interest of $685,000. The Company recorded a loss on extinguishment of debt, including a charge for related unamortized debt issuance costs of $466,000, resulting in a net loss of approximately $1.5 million on the extinguishment of Senior Notes for the year ended December 31, 2011. The loss is presented as "gain (loss) on extinguishment of senior notes, net" in the Company's consolidated statements of operations. During 2010, the Company repurchased $20.6 million of aggregate principal amount of its Senior Notes for total consideration of $20.5 million in cash, plus accrued interest of $312,000. The Company recorded a loss on extinguishment of debt, including a charge for related unamortized debt issuance costs of $317,000, resulting in a net loss of approximately $160,000 on the extinguishment of Senior Notes for the year ended December 31, 2010. During 2009, the Company repurchased $28.0 million of aggregate principal amount of its Senior Notes for total consideration of $24.4 million in cash, plus accrued interest of $637,000. The Company recorded a gain on extinguishment of debt, net of a charge for related unamortized debt issuance costs of $557,000, resulting in a net gain of approximately $3.0 million on the extinguishment of Senior Notes for the year ended December 31, 2009.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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