Reclassifications Out of Accumulated Other Comprehensive Income to Statements of Operations (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 28, 2020 |
Jun. 30, 2019 |
Jun. 28, 2020 |
Jun. 30, 2019 |
|
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Interest income (expense) | $ 983 | $ 27 | $ 1,499 | $ 97 |
Amortization of Prior Service Credit | ||||
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Reclassifications, net of tax | 2 | 37 | 3 | 74 |
Accumulated Other Comprehensive Income (Loss) | ||||
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
Reclassifications, net of tax | $ 985 | $ 64 | $ 1,502 | $ 171 |