(Unaudited)
Three Months Ended | |||||||||||||||||
(in thousands, except percentages) | October 3, 2020 | June 27, 2020 | September 28, 2019 | ||||||||||||||
GAAP gross profit/margin | $ | 491,550 | 46.4 | % | $ | 325,789 | 41.4 | % | $ | 323,582 | 40.1 | % | |||||
Amortization of intangible assets | 52,149 | 4.9 | % | 51,945 | 6.6 | % | 38,310 | 4.8 | % | ||||||||
Restructuring related charges | — | — | % | — | — | % | 1,034 | 0.1 | % | ||||||||
Stock-based compensation expense | 3,600 | 0.3 | % | 4,616 | 0.6 | % | 2,372 | 0.3 | % | ||||||||
Accelerated depreciation | — | — | % | — | — | % | 5,578 | 0.7 | % | ||||||||
Other non-cash expenses | 627 | 0.1 | % | 125 | — | % | 4,265 | 0.5 | % | ||||||||
Non-GAAP gross profit/margin | $ | 547,926 | 51.7 | % | $ | 382,475 | 48.6 | % | $ | 375,141 | 46.5 | % |