Future cash outflow to pay for purchases of fixed assets that have occurred.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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

Supplemental Cash Flow Information - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Mar. 25, 2018	Mar. 26, 2017	Jun. 25, 2017	Jun. 26, 2016
Supplemental Cash Flow Information [Line Items]
Capital expenditures incurred but not yet paid	$ 2,308	$ 1,958	$ 3,234	$ 4,197
Building and Machinery [Member] \| Construction Loans [Member]
Supplemental Cash Flow Information [Line Items]
Capital Lease Obligations Incurred		$ 13,235