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Fair Value of Financial Instruments - Liabilities in Level 3 (Details) - USD ($) $ in Thousands |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 11, 2016 | Jul. 02, 2016 | Jan. 02, 2016
Term Loan Facility |  |  |
Fair value liabilities reconciliation of changes |  |  |
Fair value of debt |  | $ 72,500 | $ 77,500
Energy Micro |  |  |
Fair value liabilities reconciliation of changes |  |  |
Gain recognized in earnings |  | (2,700) |
Compensation expense | $ 4,600 | 2,700 | 1,900
Assets and liabilities measured at fair value on recurring basis | Significant Unobservable Inputs (Level 3) | Contingent consideration |  |  |
Fair value liabilities reconciliation of changes |  |  |
Balance at the beginning of the period |  | 14,073 |
Settlements |  | (11,375) |
Gain recognized in earnings |  | $ (2,698) |
Balance at the end of the period |  |  | $ 14,073

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