Commitments

The Company leases office space, a manufacturing facility, and transportation and other equipment under operating leases which expire at various dates through March 31, 2022. The future minimum lease commitments under these operating leases at March 31, 2017 were as follows (amounts in thousands):



Year Ending March 31,	Amount
2018	$	26,259
2019	21,114
2020	14,920
2021	11,645
2022	11,038
Thereafter	2,423
Total minimum payments	$	87,399

The terms of the leases do not contain significant restriction provisions and usually contain standard rent escalation clauses as well as options for renewal. Rental expense under operating leases totaled $35.4 million, $23.3 million and $23.8 million for fiscal 2017, 2016 and 2015, respectively.

Commitments for construction or purchase of property, plant and equipment totaled $45.5 million as of March 31, 2017, all of which will be due within the next year. Other purchase obligations and commitments totaled approximately $107.4 million as of March 31, 2017. Other purchase obligations and commitments include payments due under various types of licenses and approximately $98.3 million of outstanding purchase commitments with the Company's wafer foundries for delivery in fiscal 2018.