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v3.19.1

Segment Information - Income by Segment and Reconciliation to Income Before Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 27, 2019 | Oct. 28, 2018 | Jul. 29, 2018 | Apr. 29, 2018 | Jan. 28, 2018 | Oct. 29, 2017 | Jul. 30, 2017 | Apr. 30, 2017 | Jan. 27, 2019 | Jan. 28, 2018 | Jan. 29, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) | $ 26,771 | $ 41,867 | $ 32,936 | $ (3,097) | $ 14,009 | $ 17,579 | $ 18,892 | $ 18,256 | $ 98,477 | $ 68,736 | $ 84,081
Share-based compensation |  |  |  |  |  |  |  |  | 73,859 | 47,936 | 30,828
Investment impairments |  | $ 30,000 |  |  |  | $ 4,300 |  |  | 30,000 | 4,250 | 0
Changes in the fair value of contingent earn-out obligations |  |  |  |  |  |  |  |  | (9,419) | 3,892 | (215)
Non-operating (income) expense, net |  |  |  |  |  |  |  |  | 3,823 | 3,348 | (1,721)
Income before taxes |  |  |  |  |  |  |  |  | 63,098 | 59,871 | 73,060
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | 186,975 | 160,810 | 149,677
Operating Segments | Semiconductor Products Group |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | 186,975 | 160,810 | 126,271
Operating Segments | All others |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 23,406
Segment Reconciling Items |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |  |  | 73,859 | 47,936 | 30,828
Intangible amortization and impairments |  |  |  |  |  |  |  |  | 26,649 | 27,867 | 25,301
Investment impairments |  |  |  |  |  |  |  |  | 30,000 | 4,250 | 0
Changes in the fair value of contingent earn-out obligations |  |  |  |  |  |  |  |  | (9,419) | 3,892 | (215)
Other non-segment related expenses |  |  |  |  |  |  |  |  | (2,591) | 12,189 | 7,455
Amortization of fair value adjustments related to acquired property, plant and equipment |  |  |  |  |  |  |  |  | 0 | 190 | 2,227
Interest expense, net |  |  |  |  |  |  |  |  | 9,202 | 7,963 | 9,300
Non-operating (income) expense, net |  |  |  |  |  |  |  |  | $ (3,823) | $ (3,348) | $ 1,721

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