Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Business Combinations - Additional Details (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Aug. 31, 2016	Jul. 31, 2016
Business Acquisition [Line Items]
Acquisition and integration costs	$ 700
Laser Projection Technologies
Business Acquisition [Line Items]
Purchase price, net of cash acquired		$ 17,099
BuildIT Software & Solutions
Business Acquisition [Line Items]
Purchase price, net of cash acquired			$ 3,812