Fair Value Measurements: (Tables)

6 Months Ended

Jun. 30, 2013

The carrying value and fair value of the Company’s financial instruments as of June 30, 2013 and December 31, 2012 are as follows (in millions):

	Carrying Value at June 30, 2013		Fair Value Measurements at June 30, 2013
					Quoted Prices in		Significant		Significant
					Active Markets		Observable Inputs		Unobservable Inputs
(in millions)	Total		Total		(Level 1)		(Level 2)		(Level 3)
Cash & cash equivalents	$	39.1	$	39.1	$	39.1	$	—	$	—
Accounts and notes receivable	179.6		179.6		—		179.6		—
Variable rate debt	—		—		—		—		—
Fixed rate debt	289.4		300.6		—		300.6		—

	Carrying Value at		Fair Value Measurements at
	December 31, 2012		December 31, 2012
					Quoted Prices in		Significant		Significant
					Active Markets		Observable Inputs		Unobservable Inputs
(in millions)	Total		Total		(Level 1)		(Level 2)		(Level 3)
Cash & cash equivalents	$	19.9	$	19.9	$	19.9	$	—	$	—
Accounts and notes receivable	174.7		174.7		—		174.7		—
Variable rate debt	24.0		24.0		—		24.0		—
Fixed rate debt	295.1		316.8		—		316.8		—

- Definition

Tabular disclosure related to assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition. Disclosures include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3) as well as transfers between levels 1 and 2.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 6

-Footnote 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a,b,bb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2C

-URI http://asc.fasb.org/extlink&oid=7578670&loc=SL7498348-110258

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 33

-Subparagraph a, b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details