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

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.

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Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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