The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Event (Details) - USD ($) $ in Millions	Jan. 20, 2017	Jan. 30, 2015
Bluegiga
Subsequent Event
Cash consideration		$ 58.0
Zentri, Inc. \| Subsequent event
Subsequent Event
Cash consideration	$ 15.5
Zentri, Inc. \| Subsequent event \| High end of range
Subsequent Event
Remaining Earn-out payment representing additional consideration	$ 10.0