Fair Value (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value [Abstract]

Recurring Fair Value Measures [Table Text Block]

	Fair Value as of September 30, 2013
Recurring Fair Value Measures	Level 1		Level 2		Level 3	Total
Millions
Assets:
Investments
Available-for-sale – Equity Securities		$7.2	—		—		$7.2
Available-for-sale – Corporate Debt Securities	—			$8.9	—	8.9
Cash Equivalents	31.2		—		—	31.2
Total Fair Value of Assets		$38.4		$8.9	—		$47.3
Liabilities:
Deferred Compensation	—			$15.8	—		$15.8
Derivatives – Interest Rate Swap	—		0.6		—	0.6
Total Fair Value of Liabilities	—			$16.4	—		$16.4
Total Net Fair Value of Assets (Liabilities)		$38.4	$(7.5)		—		$30.9

NOTE 5. FAIR VALUE (Continued)

	Fair Value as of December 31, 2012
Recurring Fair Value Measures	Level 1		Level 2		Level 3	Total
Millions
Assets:
Investments
Available-for-sale – Equity Securities		$18.0	—		—		$18.0
Available-for-sale – Corporate Debt Securities	—			$8.8	—	8.8
Cash Equivalents	20.7		—		—	20.7
Total Fair Value of Assets		$38.7		$8.8	—		$47.5
Liabilities:
Deferred Compensation	—			$14.0	—		$14.0
Derivatives – Interest Rate Swap	—		0.7		—	0.7
Total Fair Value of Liabilities	—			$14.7	—		$14.7
Total Net Fair Value of Assets (Liabilities)		$38.7	$(5.9)		—		$32.8

Financial Instruments [Table Text Block]

Financial Instruments	Carrying Amount	Fair Value
Millions
Long-Term Debt, Including Current Portion
September 30, 2013	$1,101.9	$1,153.6
December 31, 2012	$1,018.1	$1,143.7