Accrued Expenses (Details) - USD ($) $ in Thousands	Jan. 01, 2016	Jan. 02, 2015
Accounts Payable and Accrued Liabilities [Abstract]
Salaries and benefits	$ 37,579	$ 20,770
Profit sharing and bonuses	6,781	18,524
Accrued interest	9,378	195
Purchase of non-controlling interest in subsidiaries	6,818	0
Severance and change in control payments	11,969	1,878
Warranty and customer rebates	7,205	660
Other	17,527	6,357
Total	$ 97,257	$ 48,384