pre_text: synopsys , inc . notes to consolidated financial statements 2014continued the company has the following tax loss and credit carryforwards available to offset future income tax liabilities : carryforward amount expiration ( in thousands ) .
post_text: the federal and state net operating loss carryforward is from acquired companies and the annual use of such loss is subject to significant limitations under internal revenue code section 382 . foreign tax credits may only be used to offset tax attributable to foreign source income . the federal research tax credit was permanently reinstated in fiscal 2016 . the company adopted asu 2016-09 in the first quarter of fiscal 2017 . the company recorded all income tax effects of share-based awards in its provision for income taxes in the condensed consolidated statement of operations on a prospective basis . prior to adoption , the company did not recognize excess tax benefits from stock-based compensation as a charge to capital in excess of par value to the extent that the related tax deduction did not reduce income taxes payable . upon adoption of asu 2016-09 , the company recorded a deferred tax asset of $ 106.5 million mainly related to the research tax credit carryover , for the previously unrecognized excess tax benefits with an offsetting adjustment to retained earnings . adoption of the new standard resulted in net excess tax benefits in the provision for income taxes of $ 38.1 million for fiscal 2017 . during the fourth quarter of fiscal 2017 , the company repatriated $ 825 million from its foreign subsidiary . the repatriation was executed in anticipation of potential u.s . corporate tax reform , and the company plans to indefinitely reinvest the remainder of its undistributed foreign earnings outside the united states . the company provides for u.s . income and foreign withholding taxes on foreign earnings , except for foreign earnings that are considered indefinitely reinvested outside the u.s . as of october 31 , 2017 , there were approximately $ 598.3 million of earnings upon which u.s . income taxes of approximately $ 110.0 million have not been provided for. .
table: Carryforward Amount (in thousands) ExpirationDate
table: Federal net operating loss carryforward $57,265 2018-2034
table: Federal research credit carryforward 78,599 2019-2036
table: Federal foreign tax credit carryforward 2,081 2019-2022
table: International foreign tax credit carryforward 13,351 Indefinite
table: California research credit carryforward 169,038 Indefinite
table: Other state research credit carryforward 7,482 2023-2032
table: State net operating loss carryforward 33,201 2024-2035
question: Analyse this data from a financial earnings document. what is the variation between the federal research credit carryforward and federal net operating loss carryforward , in thousands?