Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	5 Months Ended	6 Months Ended	12 Months Ended
Jan. 26, 2018	Dec. 31, 2017	Feb. 01, 2019	Aug. 03, 2018
The Tax Act [Abstract]
Federal corporate tax rate		35.00%	21.00%	26.90%
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

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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

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