Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I)
-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended	5 Months Ended	12 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Jan. 26, 2018	Apr. 27, 2018	Dec. 31, 2017	Aug. 03, 2018
Income Taxes [Abstract]
Provisional tax benefit for re-measurement of long-term deferred tax liabilities	$ 27,032
Provisional tax benefit for re-measurement of short-term deferred tax liabilities	$ 2,500
Income Tax Disclosure [Line Items]
Federal corporate tax rate		21.00%	35.00%
Plan [Member]
Income Tax Disclosure [Line Items]
Federal corporate tax rate				26.90%