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Commitments (Notes)
12 Months Ended
Mar. 31, 2015
Commitments [Abstract]  
Commitments
COMMITMENTS

The Company leases office space, a manufacturing facility, transportation and other equipment under operating leases which expire at various dates through March 31, 2020.  The future minimum lease commitments under these operating leases at March 31, 2015 were as follows (amounts in thousands):
 
Year Ending March 31,
 
Amount
2016
 
$
16,146

2017
 
10,587

2018
 
7,365

2019
 
4,388

2020
 
1,153

Thereafter
 

Total minimum payments
 
$
39,639


 
Rental expense under operating leases totaled $23.8 million, $21.5 million and $20.3 million for fiscal 2015, 2014 and 2013, respectively.

Commitments for construction or purchase of property, plant and equipment totaled $56.5 million as of March 31, 2015, all of which will be due within the next year. Other purchase obligations and commitments totaled approximately $50.3 million as of March 31, 2015. Other purchase obligations and commitments include payments due under various types of licenses and approximately $48.8 million of outstanding purchase commitments with the Company's wafer foundries for delivery in fiscal 2016.