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Schedule of Provision (Benefit) for Income Taxes from Operations (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | [1],[2] | Sep. 30, 2018 | [2],[3] | Jul. 01, 2018 | [2],[4] | Apr. 01, 2018 | [5] | Dec. 31, 2017 | [6],[7] | Oct. 01, 2017 | [7],[8] | Jul. 02, 2017 | [7],[9] | Apr. 02, 2017 | [10] | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |
Current, U.S. Federal |  |  |  |  |  |  |  |  | $ (59,122) | $ 162,679 | $ 7,750
Current, Non-U.S. |  |  |  |  |  |  |  |  | 45,083 | 64,313 | 41,579
Current, State |  |  |  |  |  |  |  |  | 1,721 | 2,623 | 1,968
Current, Total |  |  |  |  |  |  |  |  | (12,318) | 229,615 | 51,297
Deferred, U.S. Federal |  |  |  |  |  |  |  |  | 29,252 | 43,687 | (51,482)
Deferred, Non-U.S. |  |  |  |  |  |  |  |  | (1,243) | (6,476) | (9,240)
Deferred, State |  |  |  |  |  |  |  |  | 331 | (106) | (2,214)
Deferred, Total |  |  |  |  |  |  |  |  | 28,340 | 37,105 | (62,936)
Total provision (benefit) for income taxes | $ (32,662) | $ 20,863 | $ 18,975 | $ 8,846 | $ 204,007 | $ 24,017 | $ 31,901 | $ 6,795 | $ 16,022 | $ 266,720 | $ (11,639)
[1] | Restructuring and other includes a $17.7 million fair value adjustment to increase the MiR acquisition contingent consideration, $0.8 million of employee severance charges, and $0.5 million acquisition related expenses and compensation, partially offset by a $7.4 million gain for the decrease in the fair value of the Universal Robots contingent consideration liability.
[2] | Teradyne recorded pension and post retirement net actuarial (gains) losses of $(0.1) million, $0.3 million and $(3.5) million for the second, third and fourth quarter in 2018, respectively. See Note B: “Accounting Policies” for a discussion of Teradyne’s accounting policy.
[3] | Restructuring and other includes $1.7 million of employee severance charges, $0.8 million of acquisition related expenses and compensation, partially offset by a $0.8 million gain for the decrease in the fair value of the Universal Robots contingent consideration liability.
[4] | Restructuring and other includes a $5.0 million gain for the decrease in the fair value of the Universal Robots contingent consideration liability, partially offset by $3.9 million of employee severance charges and $0.8 million of acquisition related expenses and compensation.
[5] | Restructuring and other includes a $3.5 million gain for the decrease in the fair value of the Universal Robots contingent consideration liability, partially offset by $2.5 million of acquisition related expenses and compensation and $2.4 million of employee severance charges.
[6] | Restructuring and other includes a $6.0 million fair value adjustment to increase the Universal Robots acquisition contingent consideration, $1.8 million of employee severance charges, and $1.1 million of charges for impairment of fixed assets.
[7] | Teradyne recorded pension and post retirement net actuarial gains of $2.8 million and $3.8 million for the second and fourth quarter in 2017, respectively. See Note B: “Accounting Policies” for a discussion of Teradyne’s accounting policy.
[8] | Restructuring and other includes $5.1 million of property insurance recovery related to the Japan earthquake, a $0.4 million credit related to previously impaired lease termination of a Wireless Test facility in Sunnyvale, CA, and a $0.3 million credit for the decrease in the fair value of the Universal Robots contingent consideration liability, partially offset by $0.8 million of Japan earthquake related expenses and $0.6 million of employee severance charges.
[9] | Restructuring and other includes a $1.5 million charge for a fair value adjustment to increase the Universal Robots acquisition contingent consideration, and $0.8 million of employee severance charges.
[10] | Restructuring and other includes a $1.3 million charge for a lease impairment of a Wireless Test facility in Sunnyvale, CA, a $0.6 million fair value adjustment to increase the Universal Robots acquisition contingent consideration, and $0.6 million of employee severance charges.

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