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Segment Information - Segment Revenues and Operating Profits (Losses) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Apr. 03, 2015
Revenues: |  |  |
Product revenues | $ 713,936 | $ 664,821 | $ 728,074
Service revenues | 845,401 | 752,610 | 654,461
Total revenues | 1,559,337 | 1,417,431 | 1,382,535
Operating profits (losses): |  |  |
Income from operations | 36,459 | 41,119 | 83,144
Amortization of acquired intangible assets | (10,788) | (16,438) | (17,966)
Operating Segments [Member] |  |  |
Operating profits (losses): |  |  |
Income from operations | 47,247 | 57,557 | 101,110
Operating Segments [Member] | Satellite Services [Member] |  |  |
Revenues: |  |  |
Product revenues | 27,711 | 25,606 | 33,576
Service revenues | 601,936 | 533,628 | 466,284
Total revenues | 629,647 | 559,234 | 499,860
Operating profits (losses): |  |  |
Income from operations | 131,085 | 81,830 | 62,379
Amortization of acquired intangible assets | (5,866) | (9,122) | (11,058)
Operating Segments [Member] | Commercial Networks [Member] |  |  |
Revenues: |  |  |
Product revenues | 211,458 | 228,694 | 331,052
Service revenues | 33,149 | 22,042 | 16,078
Total revenues | 244,607 | 250,736 | 347,130
Operating profits (losses): |  |  |
Income from operations | (180,496) | (111,339) | (33,616)
Amortization of acquired intangible assets | (1,679) | (2,569) | (1,452)
Operating Segments [Member] | Government Systems [Member] |  |  |
Revenues: |  |  |
Product revenues | 474,767 | 410,521 | 363,446
Service revenues | 210,316 | 196,940 | 172,099
Total revenues | 685,083 | 607,461 | 535,545
Operating profits (losses): |  |  |
Income from operations | 96,658 | 87,066 | 72,347
Amortization of acquired intangible assets | (3,243) | (4,747) | (5,456)
Material Reconciling Items [Member] |  |  |
Operating profits (losses): |  |  |
Amortization of acquired intangible assets | $ (10,788) | $ (16,438) | $ (17,966)

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