SENIOR CONVERTIBLE NOTES	3 Months Ended
SENIOR CONVERTIBLE NOTES	Mar. 31, 2012
SENIOR CONVERTIBLE NOTES [Abstract]
SENIOR CONVERTIBLE NOTES	NOTE 8-SENIOR CONVERTIBLE NOTES During the three months ended March 31, 2012, the Company repurchased approximately $91.6 million of aggregate principal amount of its Notes due in 2038 in private transactions for total cash consideration of $92.1 million, including accrued interest of $0.5 million. The Notes were purchased at par and accelerated amortization of deferred financing costs of $0.3 million was recognized. The remaining $3.9 million of the Notes is classified in accounts payable and accrued liabilities on the Company's Condensed Consolidated Balance Sheets.

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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