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Deferred Costs and Other Contract Assets Deferred Costs and Other Contract Assets | 12 Months Ended
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Dec. 29, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Deferred Costs and Other Contract Assets | Deferred Costs and Other Contract Assets Deferred costs and other contract assets consist of the following (in thousands):
| December 29, 2018 |  | December 30, 2017 As Adjusted
Deferred cost of goods sold | $ | 109,398 |  |  | $ | 93,261 |
Prepaid contract incentives | 7,036 |  |  | 6,115 |
Unbilled contract receivables | 5,567 |  |  | 4,267 |
Deferred commissions | 5,085 |  |  | 5,613 |
Deferred costs and other contract assets | $ | 127,086 |  |  | $ | 109,256 |
For the years ended December 29, 2018 and December 30, 2017, $30.0 million and $27.5 million, respectively, of deferred cost of goods sold was amortized to cost of goods sold. For the years ended December 29, 2018 and December 30, 2017, $1.7 million and $2.0 million, respectively, of prepaid contract incentives was amortized as a reduction to revenue. For the years ended December 29, 2018 and December 30, 2017, $2.2 million and $2.5 million, respectively, of deferred commissions was amortized to selling, general and administrative expenses.

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