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Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Feb. 03, 2018 | Dec. 31, 2017 | Jan. 28, 2017 | Jan. 30, 2016
Changes in the allowance for inventory shrinkage |  |  |  |  |
Federal statutory tax rate |  | 33.70% | 35.00% |  |
Forecast |  |  |  |  |
Changes in the allowance for inventory shrinkage |  |  |  |  |
Federal statutory tax rate | 21.00% |  |  |  |
Allowance for Inventory Shrinkage |  |  |  |  |
Changes in the allowance for inventory shrinkage |  |  |  |  |
Balance at the beginning of the period |  | $ 3,099 |  | $ 2,584 | $ 2,646
Additions charged to costs and expenses |  | 11,103 |  | 9,351 | 7,873
Deductions |  | (10,698) |  | (8,836) | (7,935)
Balance at the end of the period |  | 3,504 |  | 3,099 | 2,584
Allowance for Deferred Tax Assets |  |  |  |  |
Changes in the allowance for inventory shrinkage |  |  |  |  |
Balance at the beginning of the period |  | 1,272 |  | 1,272 | 1,272
Additions charged to costs and expenses |  | 79 |  |  |
Impact of tax reform |  | 273 |  |  |
Balance at the end of the period |  | $ 1,624 |  | $ 1,272 | $ 1,272

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- Definition Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses due to impact of tax reform. + References No definition available. + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References 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 + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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