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Commitments | 12 Months Ended
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Mar. 31, 2018
Commitments [Abstract] |
Commitments | Commitments The Company leases office space and transportation and other equipment under operating leases which expire at various dates through December 31, 2022. The future minimum lease commitments under these operating leases at March 31, 2018 were as follows (amounts in millions):
Year Ending March 31, |  | Amount
2019 |  | $ | 26.0 |
2020 |  | 18.7 |
2021 |  | 13.3 |
2022 |  | 10.2 |
2023 |  | 1.7 |
Thereafter |  | — |
Total minimum payments |  | $ | 69.9 |
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 $30.0 million, $35.4 million and $23.3 million for fiscal 2018, 2017 and 2016, respectively. Commitments for construction or purchase of property, plant and equipment totaled $144.4 million as of March 31, 2018, all of which will be due within the next year. Other purchase obligations and commitments totaled approximately $101.6 million of outstanding purchase commitments with the Company's wafer foundries for delivery in fiscal 2019.

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- Definition Commitments [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -URI http://asc.fasb.org/topic&trid=2144648 + Details
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