Weighted-Average Remaining Life of Intangible Assets (Detail) - Global CEM Solutions, Ltd.	9 Months Ended	12 Months Ended
Mar. 30, 2018	Jun. 30, 2017
Customer relationships
Finite-Lived Intangible Liabilities [Line Items]
Weighted average remaining life of acquired intangible assets	6 years 3 months 19 days	6 years 10 months 25 days
Backlog
Finite-Lived Intangible Liabilities [Line Items]
Weighted average remaining life of acquired intangible assets	1 year 1 month 6 days	1 year 7 months 6 days

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration