XML 114 R66.htm IDEA: XBRL DOCUMENT v2.4.0.8

Derivative Financial Instruments - Schedule of amount of derivative instrument gains and (losses) before taxes (Details) (Cash Flow Hedges [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of the location and amount of derivative instrument gains and losses (before taxes) reported in the Consolidated Statements of Income
Amount of Gain (Loss) Recognized in Other Comprehensive Income	$ 1.5	$ (1.1)	$ (9.7)
Interest rate swaps [Member]
Summary of the location and amount of derivative instrument gains and losses (before taxes) reported in the Consolidated Statements of Income
Amount of Gain (Loss) Recognized in Other Comprehensive Income	1.5	(1.1)	(5.4)
Treasury rate locks [Member]
Summary of the location and amount of derivative instrument gains and losses (before taxes) reported in the Consolidated Statements of Income
Amount of Gain (Loss) Recognized in Other Comprehensive Income	$ 0	$ 0	$ (4.3)

X

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

+ Details

Name:	us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration