Future annual minimum payments for all commitments are as follows:



	Payment due by period
	Total		Fiscal year 2018		Fiscal year 2019		Fiscal year 2020		Fiscal year 2021		Fiscal year 2022		Thereafter
Contractual Obligations	(in thousands)
Operating lease obligations (1)	$	53,734	$	11,081	$	7,563	$	5,319	$	4,800	$	4,441	$	20,530
Long-term debt obligations (2)	1,500,000		—		500,000		—		—		—		1,000,000
Interest payments associated with debt obligations (3)	284,272		46,625		38,986		34,125		34,125		34,125		96,286
Capital equipment and inventory related purchase obligations (4)	581,667		86,685		74,100		71,282		57,179		42,778		249,643
Total	$	2,419,673	$	144,391	$	620,649	$	110,726	$	96,104	$	81,344	$	1,366,459

(1) The Company leases some facilities under non-cancelable operating lease agreements that expire at various dates through 2036.

(2) Long-term debt represents amounts primarily due for the Company's long-term notes.

(3) Interest payments calculated based on contractual payment requirements under the debt agreements.

(4) The Company orders some materials and supplies in advance or with minimum purchase quantities. The Company is obligated to pay for the materials and supplies when received. Additionally, in 2016 the Company entered into a long-term supply agreement with the semiconductor foundry TowerJazz to supply finished wafers on existing Maxim processes and products which contains minimum purchase requirements.