Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Impairment Charges Narrative (Details)	3 Months Ended			6 Months Ended
Impairment Charges Narrative (Details)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($) reporting_unit	Mar. 31, 2016 reporting_unit	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($) reporting_unit	Dec. 31, 2016
Goodwill [Line Items]
Goodwill impairment \| $	$ 0	$ 3,700,000		$ 0	$ 3,700,000
Percentage of fair value in excess of carrying amount	75.00%			75.00%
Minimum
Goodwill [Line Items]
Percentage of fair value in excess of carrying amount						115.00%
Maximum
Goodwill [Line Items]
Percentage of fair value in excess of carrying amount						600.00%
CVP unit \| Specialized Products
Goodwill [Line Items]
Goodwill impairment \| $	$ 0	$ 3,700,000		$ 0.0	$ 3,700,000
Number of reporting units sold \| reporting_unit		1			1
Number of remaining businesses \| reporting_unit		1	2