Commitments and Contingencies (Tables)

9 Months Ended

Sep. 24, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Lease and Purchase Obligations

Our contractual obligations and commitments have not materially changed as of September 24, 2016 from those disclosed in our Annual Report on Form 10-K for the year ended December 26, 2015, apart from Cascade Microtech's lease and purchase obligations which are disclosed below as of September 24, 2016, and apart from those arising as a result of the financing of our acquisition of Cascade Microtech on June 24, 2016. See Note 3 to the Condensed Consolidated Financial Statements - Acquisition, for further details. 

	Remainder of 2016		2017-2018		2019-2020		2021 and Beyond		Total
	(In thousands)
Operating leases	$	664	$	4,048	$	1,868	$	383	$	6,963
Purchase order commitments obligations (1)	10,380		2,722		—		—		13,102
Total	$	11,044	$	6,770	$	1,868	$	383	$	20,065

(1) Purchase order commitments primarily represent open orders for inventory and capital expenditures.

In addition to the obligations disclosed in the table above, our contractual obligations as of September 24, 2016 include our commitments under the senior secured term loan facility, as disclosed below. See Note 5 to the Condensed Consolidated Financial Statements - Debt for further details.

	Remainder of 2016		2017-2018		2019-2020		2021		Total
	(In thousands)
Principal payments	$	3,750	$	39,375	$	91,875	$	13,126	$	148,126
Interest payments*	1,117		5,336		2,763		66		9,282
Total	$	4,867	$	44,711	$	94,638	$	13,192	$	157,408

* Represents our minimum interest payment commitments at 2.00% per annum