Debt - Maturities of Long-Term Debt Outstanding (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Maturities of long-term debt outstanding [Abstract]
2014	$ 0.9
2015	0.5
2016	0.2
2017	198.3
2018	0.1
Thereafter	50.0
Revolving Credit Agreement [Member]
Maturities of long-term debt outstanding [Abstract]
2014	0
2015	0
2016	0
2017	123.2
2018	0
Thereafter	0
Senior Notes [Member]
Maturities of long-term debt outstanding [Abstract]
2014	0
2015	0
2016	0
2017	75.0
2018	0
Thereafter	50.0
Other Notes Payable [Member]
Maturities of long-term debt outstanding [Abstract]
2014	0.9
2015	0.5
2016	0.2
2017	0.1
2018	0.1
Thereafter	$ 0

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 10

-Subparagraph 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

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