Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 30, 2016	Jan. 01, 2016
Accounts Payable and Accrued Liabilities [Abstract]
Salaries and benefits	$ 30,199	$ 37,579
Profit sharing and bonuses	3,054	6,781
Accrued interest	6,838	9,378
Purchase of non-controlling interest in subsidiaries	0	6,818
Severance, retention and change in control payments	6,296	11,969
Warranty and customer rebates	8,146	7,205
Other	17,748	17,527
Total	$ 72,281	$ 97,257