Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Long-term Debt
Transfers between Levels 1 and 2, description	The Company did not have any transfers between Levels 1 and 2 of financial assets or liabilities that are fair valued on a recurring basis during the three and six months ended June 30, 2015 and 2014.
Fair Value [Member] \| Senior Unsecured Notes [Member]
Long-term Debt
Debt	$ 310.1	$ 310.3
Carrying Value [Member] \| Senior Unsecured Notes [Member]
Long-term Debt
Debt	298.9	298.8
Carrying Value [Member] \| Other Long-Term Debt [Member]
Long-term Debt
Debt	$ 593.9	$ 566.6
Contingent Consideration [Member] \| Minimum [Member[
Long-term Debt
Fair value inputs, discount rate (as a percent)	14.00%
Contingent Consideration [Member] \| Maximum [Member]
Long-term Debt
Fair value inputs, discount rate (as a percent)	18.00%

No definition available.

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- Definition

Description of the transfers of assets measured on a recurring basis out of Level 1 and into Level 2 of the fair value hierarchy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Fair value portion of notes payable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20,22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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