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Financial Instruments - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 01, 2022 | Oct. 02, 2021 | Oct. 01, 2022 | Oct. 02, 2021 | Dec. 31, 2021
Financial Instruments |  |  |  |  |
Accounts receivable, reserves | $ 31,600,000 |  | $ 31,600,000 |  | $ 35,500,000
Investments in equity securities without readily determinable fair values | 18,200,000 |  | 18,200,000 |  | 15,400,000
Cumulative impairment | 10,000,000 |  | 10,000,000 |  | 10,000,000
Impairment loss |  |  |  | $ 1,000,000 |
Interest expense | 24,800,000 | $ 22,600,000 | 74,600,000 | 67,200,000 |
Derivative contracts classified within Level 3 of fair value hierarchy | 0 |  | 0 |  | 0
Derivative contracts transfers in to Level 3 fair value hierarchy |  |  | 0 |  |
Asset impairment charges |  |  | 5,700,000 | 2,000,000 |
Russia-Ukraine Conflict |  |  |  |  |
Financial Instruments |  |  |  |  |
Asset impairment charges | 19,900,000 |  | 4,400,000 |  |
E-Systems |  |  |  |  |
Financial Instruments |  |  |  |  |
Impairment of intangible assets |  |  | 8,900,000 | 8,500,000 |
Kongsberg ICS |  |  |  |  |
Financial Instruments |  |  |  |  |
Right of use asset | 34,100,000 |  | 34,100,000 |  |
Kongsberg ICS | Level 3 | Estimated aggregate fair value |  |  |  |  |
Financial Instruments |  |  |  |  |
Property, plant and equipment | 124,100,000 |  | 124,100,000 |  |
Intangible assets | 11,100,000 |  | 11,100,000 |  |
Interest Rate Swap | Net investment hedge contracts | Designated as Hedging Instrument |  |  |  |  |
Financial Instruments |  |  |  |  |
Interest expense |  |  | 4,100,000 | $ 4,900,000 |
Foreign currency contracts | Designated as Hedging Instrument | Derivative Instruments and Hedging |  |  |  |  |
Financial Instruments |  |  |  |  |
Pretax gains (losses) related to derivative instruments and hedging activities in accumulated other comprehensive loss | $ 40,800,000 |  | $ 40,800,000 |  | $ (16,100,000)

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