Operations and Summary of Significant Accounting Policies - Plant Closure (Details) $ in Millions	Dec. 31, 2013 USD ($)
Restructuring Cost and Reserve [Line Items]
Cumulative currency translation adjustment	$ 2.8
Facility closing
Restructuring Cost and Reserve [Line Items]
Cumulative currency translation adjustment	$ 2.8

Cumulative translation adjustment resulting from translating foreign currency financial statements into the reporting currency. Reported in equity as part of accumulated other comprehensive income.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32022-110900

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant