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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, 2017 | [1],[2] | Oct. 01, 2017 | [3] | Jul. 02, 2017 | [2],[4] | Apr. 02, 2017 | [5] | Dec. 31, 2016 | [6],[7] | Oct. 02, 2016 | [7],[8] | Jul. 03, 2016 | [7],[9] | Apr. 03, 2016 | [7],[10] | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |
Current, U.S. Federal |  |  |  |  |  |  |  |  | $ 162,679 | $ 7,750 | $ 16,635
Current, Non-U.S. |  |  |  |  |  |  |  |  | 64,313 | 41,579 | 35,707
Current, State |  |  |  |  |  |  |  |  | 2,623 | 1,968 | 1,429
Current, Total |  |  |  |  |  |  |  |  | 229,615 | 51,297 | 53,771
Deferred, U.S. Federal |  |  |  |  |  |  |  |  | 43,687 | (51,482) | (574)
Deferred, Non-U.S. |  |  |  |  |  |  |  |  | (6,476) | (9,240) | (7,761)
Deferred, State |  |  |  |  |  |  |  |  | (106) | (2,214) | 1,211
Deferred, Total |  |  |  |  |  |  |  |  | 37,105 | (62,936) | (7,124)
Total provision (benefit) for income taxes | $ 204,007 | $ 24,017 | $ 31,901 | $ 6,795 | $ (7,461) | $ (4,113) | $ (7,271) | $ 7,206 | $ 266,720 | $ (11,639) | $ 46,647
[1] | 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.
[2] | Teradyne recorded pension and post retirement net actuarial gains of $2.5 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.
[3] | 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.
[4] | 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.
[5] | 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.
[6] | Restructuring and other includes a $5.4 million fair value adjustment to increase the Universal Robots acquisition contingent consideration.
[7] | Teradyne recorded pension and post retirement net actuarial (gains) losses of $(1.2) million, $(0.7) million, $0.7 million and $(2.0) million for the first, second, third, and fourth quarter in 2016, respectively. See Note B: "Accounting Policies" for a discussion of Teradyne's accounting policy.
[8] | Restructuring and other includes an $8.0 million fair value adjustment to increase the Universal Robots acquisition contingent consideration.
[9] | Restructuring and other includes $4.2 million for an impairment of fixed assets, $0.9 million for expenses related to an earthquake in Kumamoto, Japan, and a $1.4 million fair value adjustment to increase contingent consideration liability, of which $0.8 million was related to Universal Robots and $0.6 million was related to AIT, partially offset by $5.1 million of property insurance recovery related to the Japan earthquake.
[10] | Restructuring and other includes a $1.2 million fair value adjustment to increase the Universal Robots acquisition contingent consideration.

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