Commitments, Guarantees, and Contingencies

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments, Guarantees, and Contingencies

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
2015	$	6,576	$	1,315	$	7,891
2016	5,663		586		6,249
2017	4,921		198		5,119
2018	3,246		17		3,263
2019	2,320		2		2,322
Thereafter	12,370		1		12,371
Total	$	35,096	$	2,119	$	37,215

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, $8.5 million and $6.9 million for the years ended December 31, 2014, 2013 and 2012, respectively.

Other

As of December 31, 2014, we had six outstanding letters of credit totaling $0.9 million, which expire in 2015 through 2018. In addition, we have one outstanding performance bond for $0.6 million for construction contract scheduled to be completed in 2015.