Commitments, Guarantees, and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Minimum rentals under long-term operating leases are as follows (in thousands):

Fiscal year ending:	Real property		Machinery and equipment		Total
2018	$	8,659	$	994	$	9,653
2019	7,364		464		7,828
2020	5,303		109		5,412
2021	3,868		23		3,891
2022	3,094		5		3,099
Thereafter	6,942		—		6,942
Total	$	35,230	$	1,595	$	36,825