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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Apr. 24, 2021 | Apr. 25, 2020 | Apr. 24, 2021 | Apr. 25, 2020
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |  |  |  |
Tax expense (benefit) on unrealized losses on interest rate swaps | $ 417 |  | $ 896 |
Tax of amortization of pension actuarial loss | $ 46 | $ 44 | $ 137 | $ 132
Tax on pension settlement loss |  | 33 |  | 408
Tax (expense) benefit on pension remeasurement |  | $ (139) |  | $ 164

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