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Debt	12 Months Ended
Debt	Dec. 31, 2012
Debt	Note 13 — Debt The Company repaid the $350.0 million principal amount of its 4% Convertible Subordinated Notes plus accrued interest upon their maturity on May 15, 2010. Cash payments for interest on debt were $7.0 million during the year ended December 31, 2010. No interest was paid in 2012 or 2011.

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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