Commitments, Guarantees, and Contingencies

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments, Guarantees, and Contingencies

Commitments

Operating Leases

We have various noncancelable leases for real property and machinery and equipment. Such leases expire at various dates with, in some cases, options to extend their terms.

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



Fiscal year ending:	Real property		Machinery and equipment		Total
2017	$	7,546	$	721	$	8,267
2018	5,652		243		5,895
2019	4,278		69		4,347
2020	3,404		5		3,409
2021	2,960		—		2,960
Thereafter	9,831		—		9,831
Total	$	33,671	$	1,038	$	34,709

Certain of the leases contain provisions for rent escalation based primarily on increases in a specified Consumer Price Index, real estate taxes and operating costs incurred by the lessor. Rent expense was approximately $9.8 million, $10.2 million and $9.8 million for the years ended December 31, 2016, 2015 and 2014, respectively.

Other

As of December 31, 2016, we had ten outstanding letters of credit totaling $5.7 million, which expire in 2017 through 2022. In addition, we have two outstanding performance bonds totaling $8.2 million for contracts to be completed in 2017.