Commitments and Contingencies - Guarantees and Outstanding Letters of Credit and Performance Bonds (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jul. 01, 2017
Loss Contingencies [Line Items]
Guarantee liabilities	$ 0.0	$ 0.0
Standby letters of credit
Loss Contingencies [Line Items]
Contingency	11.2
Performance bonds
Loss Contingencies [Line Items]
Contingency	$ 1.7

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsCurrentCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant