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Noncontrolling Interests (Details)	12 Months Ended
	Dec. 31, 2015	Apr. 02, 2015	Dec. 31, 2014	Nov. 25, 2014	Jul. 15, 2013
Business Acquisition [Line Items]
Acquisition date	Dec. 17, 2014
Phenix Systems [Member]
Business Acquisition [Line Items]
Acquired ownership percentage	95.00%		95.00%		82.00%
Acquisition date	Jul. 15, 2013
Robtec [Member]
Business Acquisition [Line Items]
Acquired ownership percentage	70.00%			70.00%
Acquisition date	Nov. 25, 2014
Easyway [Member]
Business Acquisition [Line Items]
Acquired ownership percentage	65.00%	65.00%
Acquisition date	Apr. 02, 2015

X

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e845-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Acquisition Date
-URI http://asc.fasb.org/extlink&oid=6919109

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e848-128460

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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X

- 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

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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