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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 8 Months Ended
--- | --- | ---
May 04, 2019 | May 05, 2018 | May 04, 2019 | May 05, 2018
Statement of Comprehensive Income [Abstract] |  |  |  |
Pension liability adjustments, taxes |  | $ 631 |  | $ 1,909
Unrealized gains (losses) on marketable debt securities, net of taxes | $ 65 | 154 | $ 180 | 463
Net derivative activities, taxes | $ 120 | $ 119 | $ 360 | $ 356

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- Definition Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e640-108580 + Details
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