Summary of Significant Accounting Policies (Cash and Cash Equivalents and Asset Impairment Charges) (Details) $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($) segment	Dec. 31, 2014 USD ($)
Cash and Cash Equivalents [Line Items]
Cash held in foreign bank accounts	$ 2.1	$ 1.2
Restricted cash	$ 0.6	4.4
Asset Impairment Charges [Abstract]
Number of reporting units for goodwill testing \| segment	1
Security for a lease obligation
Cash and Cash Equivalents [Line Items]
Restricted cash	$ 0.6	0.8
Asia \| Letter agreement \| Investor
Cash and Cash Equivalents [Line Items]
Restricted cash	$ 0.0	$ 3.6

Amount of cash and cash equivalents held in foreign bank accounts as of the balance sheet date.

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- References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reporting Unit
-URI http://asc.fasb.org/extlink&oid=6523643

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

+ 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 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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