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Intangible Assets - Components of Intangible Assets (Detail) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Jun. 27, 2020 | Jan. 01, 2022 | Jan. 02, 2021
Cost |  |  |
Total gross carrying amount |  | $ 118,529 | $ 110,589
Accumulated amortization |  |  |
Accumulated amortization |  | (46,027) | (36,666)
Total |  | 72,502 | 73,923
Patents |  |  |
Cost |  |  |
Total gross carrying amount |  | 31,513 | 26,875
Accumulated amortization |  |  |
Accumulated amortization |  | (13,222) | (10,763)
Acquired technologies |  |  |
Cost |  |  |
Total gross carrying amount |  | 28,371 | 29,039
Accumulated amortization |  |  |
Accumulated amortization |  | (7,668) | (5,259)
Acquired technologies | TNI Medical AG Acquisition [Member] |  |  |
Accumulated amortization |  |  |
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill | $ 6,300 |  |
Customer relationships |  |  |
Cost |  |  |
Total gross carrying amount |  | 24,624 | 24,666
Accumulated amortization |  |  |
Accumulated amortization |  | (7,381) | (6,486)
Customer relationships | TNI Medical AG Acquisition [Member] |  |  |
Accumulated amortization |  |  |
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill | 400 |  |
Trademarks |  |  |
Cost |  |  |
Total gross carrying amount |  | 12,210 | 11,708
Accumulated amortization |  |  |
Accumulated amortization |  | (6,127) | (3,999)
Trademarks | TNI Medical AG Acquisition [Member] |  |  |
Accumulated amortization |  |  |
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill | 2,400 |  |
License |  |  |
Cost |  |  |
Total gross carrying amount |  | 8,108 | 5,108
Accumulated amortization |  |  |
Accumulated amortization |  | (1,975) | (1,247)
Licenses-related party |  |  |
Cost |  |  |
Total gross carrying amount |  | 7,500 | 7,500
Accumulated amortization |  |  |
Accumulated amortization |  | (5,969) | (5,594)
Other |  |  |
Cost |  |  |
Total gross carrying amount |  | 6,203 | 5,693
Accumulated amortization |  |  |
Accumulated amortization |  | $ (3,685) | $ (3,318)
Other | TNI Medical AG Acquisition [Member] |  |  |
Accumulated amortization |  |  |
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill | $ 300 |  |

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