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Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 02, 2016 | Jan. 03, 2015 | Dec. 28, 2013
Roll forward of the accounts receivable allowance |  |  |
Balance at beginning of period | $ 4,177 |  |
Balance at end of period | 3,648 | $ 4,177 |
Foreign Currency Translation |  |  |
Transaction gains and losses recorded in income (loss) before (provision) benefit for income taxes | 1,000 | 300 | $ 200
Billed Revenues |  |  |
Roll forward of the accounts receivable allowance |  |  |
Balance at beginning of period | 4,177 | 7,210 | 9,459
Increases to reserve | 2,361 | 948 | 5,619
Amounts written off | (2,881) | (3,993) | (7,891)
Effects of foreign currency translation | (9) | 30 | 25
Balance at end of period | 3,648 | 4,177 | 7,210
Unbilled Revenues |  |  |
Roll forward of the accounts receivable allowance |  |  |
Balance at beginning of period | 2,233 | 1,827 | 2,921
Increases to reserve | 2,832 | 5,242 | 443
Amounts written off | (2,711) | (4,836) | (1,538)
Effects of foreign currency translation |  |  | 1
Balance at end of period | $ 2,354 | 2,233 | 1,827
NeuCo, Inc. | Billed Revenues |  |  |
Roll forward of the accounts receivable allowance |  |  |
Change related to NeuCo |  | $ (18) | $ (2)

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