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FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of carrying value and fair value of long-term debt

	2011		2010

December 31 (millions of dollars)	Carrying Value	Fair Value	Carrying Value	Fair Value

Senior Credit Facility	363.0	363.0	483.0	483.0
Senior Notes	349.4	367.7	–	–
Series C Senior Notes	3.1	3.3	3.9	4.3
Series D Senior Notes	27.0	29.4	27.0	26.6

	742.5	763.4	513.9	513.9

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

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+ Details