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Quarterly Financial Data (Additional Information) (Detail) € in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 11, 2013 USD ($) | Jun. 11, 2013 EUR (€) | Mar. 31, 2019 USD ($) | Dec. 30, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jul. 01, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Oct. 01, 2017 USD ($) | Jul. 02, 2017 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($)
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Inventory Adjustments |  |  | $ 2,590 |  |  | $ 526 |  |  |  |  |  |  |
Inventory step up to fair value relating to Alpha acquisition and exit activities |  |  | 3,516,000 | $ 3,747,000 |  |  | $ 3,457,000 |  |  |  | $ 10,379,000 | $ 3,457,000 | $ 2,157,000
Restructuring and other exit charges |  |  | 26,457,000 | 5,392,000 | $ 1,121,000 | $ 1,739,000 | 1,064,000 | $ 1,808,000 | $ 1,776,000 | $ 833,000 | 34,709,000 | 5,481,000 | 7,160,000
Litigation Settlement, Amount Awarded from Other Party | $ 2,756,000 | € 2,000 |  | 2,843 |  |  |  |  |  |  |  |  |
Litigation Settlement, Expense |  |  | $ 7,280 |  |  |  |  |  |  |  | 4,437,000 | 0 | 23,725,000
Income tax expense |  |  |  | $ 13,483 |  |  |  |  |  |  | 21,584,000 | 118,493,000 | 54,472,000
Impairment of goodwill |  |  |  |  |  |  |  |  |  |  | 0 | 0 | 12,216,000
Gain on sale of facility - Asia |  |  |  |  |  |  |  |  |  |  | 258,000 | (116,000) | 7,000
Tax expense relating to Tax Cuts and Jobs Act of 2017 |  |  |  |  |  |  | $ 4,106,000 | $ 77,347,000 |  |  | $ (13,483,000) | $ 83,400,000 | $ 0

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