Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Acquisitions - Fair Value of Consideration Transferred (Details) - USD ($) $ in Millions	May 31, 2019	Oct. 30, 2018	Jun. 29, 2019
Business Acquisition [Line Items]
Fair value of contingent consideration			$ 38.4
3Z Telecom, Inc.
Business Acquisition [Line Items]
Cash consideration paid at closing	$ 18.9
Escrow payments	4.3
Fair value of contingent consideration	5.5
Total purchase consideration	$ 28.7
RPC Photonics, Inc.
Business Acquisition [Line Items]
Cash consideration paid at closing		$ 29.9
Escrow payments		3.5
Fair value of contingent consideration		36.2	$ 30.3
Total purchase consideration		$ 69.6