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Segment Information - Reconciliation of Segment AOI (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 03, 2021 | Oct. 04, 2020 | Apr. 05, 2020 | Oct. 03, 2021 | Oct. 04, 2020
Segment Reporting, Reconciling Item for Operating Income (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Operating Income (Loss) | $ 24,777 | $ 15,882 |  | $ 70,867 | $ (60,237)
Amortization of acquired intangible assets |  |  |  | 4,269 | 4,030
Goodwill and Intangible Asset Impairment Charge | 0 | 0 | $ 121,300 | 0 | 121,258
Interest Expense | 7,727 | 5,426 |  | 22,272 | 16,021
Other Expense | 887 | 2,921 |  | 2,219 | 9,551
Income (Loss) from Continuing Operations before Income Tax Expense | 16,163 | 7,535 |  | 46,376 | (85,809)
Operating Segments | AMS |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Income (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Operating Income (Loss) | 21,684 | 14,857 |  | 54,432 | 52,144
Amortization of acquired intangible assets | 0 | 0 |  | 0 | 0
Goodwill and Intangible Asset Impairment Charge |  |  |  | 0 | 2,695
Impact of change in equity award forfeiture accounting |  |  |  | 0 | 757
Restructuring, asset impairment, severance and other charges | (89) | 2,733 |  | 174 | 9,486
SEC fine | 0 | 2,689 |  | 0 | 2,689
AOI | 21,595 | 20,279 |  | 54,606 | 67,771
Operating Segments | EAAA |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Income (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Operating Income (Loss) | 3,093 | 1,025 |  | 16,435 | (112,381)
Amortization of acquired intangible assets | 1,407 | 1,399 |  | 4,269 | 4,030
Goodwill and Intangible Asset Impairment Charge |  |  |  | 0 | 118,563
Impact of change in equity award forfeiture accounting |  |  |  | 0 | 650
Restructuring, asset impairment, severance and other charges | 4,086 | 3,086 |  | 5,853 | 3,978
SEC fine | 0 | 2,311 |  | 0 | 2,311
AOI | $ 8,586 | $ 7,821 |  | $ 26,557 | $ 17,151

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