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Schedule of Defined Benefit Pension and Postretirement Benefit Plan Assets and Obligation (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jul. 01, 2018 | Dec. 31, 2017 | Jul. 02, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |
Actuarial (gain) loss | $ (3,500) | $ 300 | $ (100) | $ (3,800) | $ (2,800) |  |  |
Ending Balance | 145,700 |  |  |  |  | $ 145,700 |  |
UNITED STATES |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |
Projected benefit obligation, Beginning of year |  |  |  |  |  | 363,026 | $ 353,616 |
Service cost |  |  |  |  |  | 2,196 | 2,239 | $ 2,302
Interest cost |  |  |  |  |  | 8,940 | 13,151 | 13,630
Actuarial (gain) loss |  |  |  |  |  | (30,136) | 12,702 |
Benefits paid |  |  |  |  |  | (14,793) | (18,682) |
Retiree annuity purchase |  |  |  |  |  | (151,341) |  |
Liability loss due to settlement |  |  |  |  |  | 345 |  |
Projected benefit obligation, End of year | 178,237 |  |  | 363,026 |  | 178,237 | 363,026 | 353,616
Beginning Balance |  |  |  |  |  | 324,506 | 307,304 |
Company contributions |  |  |  |  |  | 2,587 | 4,462 |
Actual return on plan assets |  |  |  |  |  | (16,658) | 31,422 |
Benefits paid |  |  |  |  |  | (14,793) | (18,682) |
Retiree annuity purchase |  |  |  |  |  | (151,341) |  |
Ending Balance | 144,301 |  |  | 324,506 |  | 144,301 | 324,506 | 307,304
Funded status | (33,936) |  |  | (38,520) |  | (33,936) | (38,520) |
Foreign Pension Plans, Defined Benefit |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |
Projected benefit obligation, Beginning of year |  |  |  |  |  | 39,353 | 60,738 |
Service cost |  |  |  |  |  | 786 | 818 | 761
Interest cost |  |  |  |  |  | 687 | 852 | 1,185
Actuarial (gain) loss |  |  |  |  |  | 773 | 262 |
Benefits paid |  |  |  |  |  | (741) | (994) |
Settlements |  |  |  |  |  |  | (28,560) |
Admin expenses paid |  |  |  |  |  |  | (40) |
Non-U.S. currency movement |  |  |  |  |  | (1,712) | 6,277 |
Projected benefit obligation, End of year | 39,146 |  |  | 39,353 |  | 39,146 | 39,353 | 60,738
Beginning Balance |  |  |  |  |  | 1,307 | 27,571 |
Company contributions |  |  |  |  |  | 822 | 883 |
Actual return on plan assets |  |  |  |  |  | 50 | 737 |
Benefits paid |  |  |  |  |  | (741) | (994) |
Settlements |  |  |  |  |  |  | (28,560) |
Admin expenses paid |  |  |  |  |  |  | (40) |
Non-U.S. currency movement |  |  |  |  |  | (38) | 1,710 |
Ending Balance | 1,400 |  |  | 1,307 |  | 1,400 | 1,307 | 27,571
Funded status | (37,746) |  |  | (38,046) |  | (37,746) | (38,046) |
Postretirement Benefit Plans |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |
Projected benefit obligation, Beginning of year |  |  |  |  |  | 6,177 | 5,510 |
Service cost |  |  |  |  |  | 39 | 34 | 37
Interest cost |  |  |  |  |  | 196 | 201 | 218
Actuarial (gain) loss |  |  |  |  |  | 25 | 398 |
Special termination benefits |  |  |  |  |  | 3,708 | 591 |
Benefits paid |  |  |  |  |  | (889) | (557) |
Projected benefit obligation, End of year | 9,256 |  |  | 6,177 |  | 9,256 | 6,177 | $ 5,510
Beginning Balance |  |  |  |  |  |  |  |
Company contributions |  |  |  |  |  | 889 | 557 |
Benefits paid |  |  |  |  |  | (889) | (557) |
Ending Balance |  |  |  |  |  |  |  |
Funded status | $ (9,256) |  |  | $ (6,177) |  | $ (9,256) | $ (6,177) |

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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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