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Basis of Presentation and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Summary of Changes in Carrying Amount of Accrued Warranty Expense | The following summarizes the changes in the carrying amount of Accrued warranty expense:
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
|  | (In thousands)
Balance at beginning of period |  | $ | 9,042 |  |  | $ | 10,344 |  |  | $ | 13,428 |
Additions |  | 1,341 |  |  | 2,232 |  |  | 1,494 |
Expirations and other changes (1) |  | (1,624) |  |  | (2,728) |  |  | (3,367) |
Payments |  | (1,026) |  |  | (1,065) |  |  | (663) |
Translation and other (2) |  | (2,441) |  |  | 259 |  |  | (548) |
Balance at end of period |  | $ | 5,292 |  |  | $ | 9,042 |  |  | $ | 10,344 |
(1)Includes discounts provided to customers in satisfaction of warranty obligations totaling $(1.2) million in each of the years ended December 31, 2019 and 2018. (2)Includes $(2.5) million related to the divestiture of the U.S.-based commercial nuclear services business during the year ended December 31, 2020.
Restrictions on Cash and Cash Equivalents | The following table provides a reconciliation of cash and cash equivalents and restricted cash and cash equivalents on our consolidated balance sheets to the totals presented on our consolidated statements of cash flows:
|  | December 31,
|  | 2020 |  | 2019
|  | (In thousands)
Cash and cash equivalents |  | $ | 42,610 |  |  | $ | 86,540 |
Restricted cash and cash equivalents |  | 3,070 |  |  | 3,056 |
Restricted cash and cash equivalents included in Other Assets |  | 2,618 |  |  | 2,804 |
Total cash and cash equivalents and restricted cash and cash equivalents as presented on our consolidated statements of cash flows |  | $ | 48,298 |  |  | $ | 92,400 |
Property, Plant and Equipment | Property, plant and equipment is stated at cost and is set forth below:
|  | December 31,
|  | 2020 |  | 2019
|  | (In thousands)
Land |  | $ | 9,585 |  |  | $ | 8,919 |
Buildings |  | 267,808 |  |  | 221,462 |
Machinery and equipment |  | 827,785 |  |  | 775,997 |
Property under construction |  | 420,374 |  |  | 265,715 |
|  | 1,525,552 |  |  | 1,272,093 |
Less: Accumulated depreciation |  | 709,081 |  |  | 691,852 |
Property, Plant and Equipment, Net |  | $ | 816,471 |  |  | $ | 580,241 |
Changes in Carrying Amount of Goodwill | The following summarizes the changes in the carrying amount of Goodwill:
|  | Nuclear Operations Group |  | Nuclear Power Group |  | Nuclear Services Group |  | Total
|  | (In thousands)
Balance at December 31, 2018 |  | $ | 110,939 |  |  | $ | 118,143 |  |  | $ | 45,000 |  |  | $ | 274,082 |
Translation and other (1) |  | — |  |  | 1,420 |  |  | — |  |  | 1,420 |
Balance at December 31, 2019 |  | $ | 110,939 |  |  | $ | 119,563 |  |  | $ | 45,000 |  |  | $ | 275,502 |
Acquisition of Laker Energy Products (Note 2) |  | — |  |  | 5,753 |  |  | — |  |  | 5,753 |
Translation |  | — |  |  | 2,453 |  |  | — |  |  | 2,453 |
Balance at December 31, 2020 |  | $ | 110,939 |  |  | $ | 127,769 |  |  | $ | 45,000 |  |  | $ | 283,708 |
(1)Includes an adjustment of $(3.2) million, net of tax, to correct the business combination accounting for our 2016 acquisition.
Schedule of Intangible Assets | Our Intangible Assets were as follows:
|  | December 31,
|  | 2020 |  | 2019 |  | 2018
|  | (In thousands)
Amortized intangible assets: |  |  |  |  |  |
Gross cost: |  |  |  |  |  |
Technical support agreement |  | $ | 68,785 |  |  | $ | 67,423 |  |  | $ | 64,749 |
Customer relationships |  | 39,954 |  |  | 39,555 |  |  | 38,771 |
Unpatented technology |  | 37,529 |  |  | 36,785 |  |  | 35,327 |
Favorable operating leases |  | — |  |  | — |  |  | 35,161 |
CNSC class 1B nuclear facility license |  | 26,528 |  |  | 26,002 |  |  | 24,971 |
Acquired backlog |  | 7,487 |  |  | — |  |  | 8,079 |
Patented technology |  | 780 |  |  | 765 |  |  | 734 |
All other |  | 858 |  |  | 2,200 |  |  | 2,200 |
Total |  | $ | 181,921 |  |  | $ | 172,730 |  |  | $ | 209,992 |
Accumulated amortization: |  |  |  |  |  |
Technical support agreement |  | $ | (7,227) |  |  | $ | (4,153) |  |  | $ | (1,173) |
Customer relationships |  | (15,996) |  |  | (13,841) |  |  | (11,767) |
Unpatented technology |  | (4,584) |  |  | (2,805) |  |  | (1,194) |
Favorable operating leases |  | — |  |  | — |  |  | (1,295) |
CNSC class 1B nuclear facility license |  | (3,573) |  |  | (2,635) |  |  | (1,698) |
Acquired backlog |  | (1,248) |  |  | — |  |  | (6,581) |
Patented technology |  | (286) |  |  | (212) |  |  | (136) |
All other |  | (86) |  |  | (1,522) |  |  | (1,302) |
Total |  | $ | (33,000) |  |  | $ | (25,168) |  |  | $ | (25,146) |
Net amortized intangible assets |  | $ | 148,921 |  |  | $ | 147,562 |  |  | $ | 184,846 |
Unamortized intangible assets: |  |  |  |  |  |
NRC category 1 license |  | $ | 43,830 |  |  | $ | 43,830 |  |  | $ | 43,830 |
Changes in Carrying Amount of Intangible Assets | The following summarizes the changes in the carrying amount of Intangible Assets:
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
|  | (In thousands)
Balance at beginning of period |  | $ | 191,392 |  |  | $ | 228,676 |  |  | $ | 110,405 |
Acquisitions (Note 2) |  | 8,180 |  |  | — |  |  | 139,257 |
Amortization expense |  | (8,824) |  |  | (9,128) |  |  | (11,490) |
Reclassification of right-of-use assets |  | — |  |  | (33,866) |  |  | — |
Translation and other (1) |  | 2,003 |  |  | 5,710 |  |  | (9,496) |
Balance at end of period |  | $ | 192,751 |  |  | $ | 191,392 |  |  | $ | 228,676 |
(1)Includes $(0.6) million related to the divestiture of the U.S.-based commercial nuclear services business during the year ended December 31, 2020.
Estimated Amortization Expense | Estimated amortization expense for the next five fiscal years is as follows (amounts in thousands):
Year Ended December 31, | Amount
2021 | $ | 9,130 |
2022 | $ | 9,130 |
2023 | $ | 9,130 |
2024 | $ | 9,130 |
2025 | $ | 9,130 |
Maturities of Lease Liabilities | The maturities of our lease liabilities at December 31, 2020 were as follows (amounts in thousands):
2021 |  | $ | 3,348 |
2022 |  | 1,926 |
2023 |  | 1,182 |
2024 |  | 697 |
2025 |  | 507 |
Thereafter |  | 2,828 |
Total lease payments |  | $ | 10,488 |
Less: Interest |  | (1,722) |
Present value of lease liabilities (1) |  | $ | 8,766 |
(1)Includes current lease liabilities of $3.3 million.
Changes in Carrying Amount of Debt Issuance Costs | The following summarizes the changes in the carrying amount of these assets:
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
|  | (In thousands)
Balance at beginning of period |  | $ | 8,006 |  |  | $ | 9,583 |  |  | $ | 4,202 |
Additions |  | 6,803 |  |  | — |  |  | 9,443 |
Interest expense (1) |  | (2,540) |  |  | (1,577) |  |  | (4,062) |
Balance at end of period |  | $ | 12,269 |  |  | $ | 8,006 |  |  | $ | 9,583 |
(1)Includes the recognition of prior deferred debt issuance costs associated with former credit facilities of $(0.7) million and $(2.4) million for the years ended December 31, 2020 and 2018, respectively.
Asset Retirement Obligations | The following summarizes the changes in the carrying amount of these liabilities:
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
|  | (In thousands)
Balance at beginning of period |  | $ | 77,288 |  |  | $ | 90,822 |  |  | $ | 78,036 |
Costs incurred |  | (1,608) |  |  | (10,380) |  |  | (1,011) |
Additions/adjustments |  | (3,284) |  |  | (5,030) |  |  | 8,000 |
Acquisitions |  | — |  |  | — |  |  | 2,062 |
Accretion |  | 5,343 |  |  | 5,379 |  |  | 5,523 |
Translation and other (1) |  | 371 |  |  | (3,503) |  |  | (1,788) |
Balance at end of period (2) |  | $ | 78,110 |  |  | $ | 77,288 |  |  | $ | 90,822 |
(1)Includes an adjustment of $(4.3) million to correct the business combination accounting for our 2016 acquisition during the year ended December 31, 2019. (2)Includes current asset retirement obligations of $2.8 million, $5.7 million and $13.8 million at December 31, 2020, 2019 and 2018, respectively.
Accumulated Other Comprehensive Income | The components of Accumulated other comprehensive income included in Stockholders' Equity are as follows:
|  | December 31,
|  | 2020 |  | 2019
|  | (In thousands)
Currency translation adjustments |  | $ | 24,454 |  |  | $ | 8,769 |
Net unrealized (loss) gain on derivative financial instruments |  | (496) |  |  | 64 |
Unrecognized prior service cost on benefit obligations |  | (15,902) |  |  | (16,614) |
Net unrealized gain on available-for-sale investments |  | 142 |  |  | 333 |
Accumulated other comprehensive income |  | $ | 8,198 |  |  | $ | (7,448) |
Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income | The amounts reclassified out of Accumulated other comprehensive income by component and the affected consolidated statements of income line items are as follows:
|  | Year Ended December 31, |  |
|  | 2020 |  | 2019 |  | 2018 |  |
Accumulated Other Comprehensive Income (Loss) Component Recognized |  | (In thousands) |  | Line Item Presented
Realized (loss) gain on derivative financial instruments |  | $ | (35) |  |  | $ | (132) |  |  | $ | (242) |  |  | Revenues
|  | 695 |  |  | (1,066) |  |  | 407 |  |  | Cost of operations
|  | 660 |  |  | (1,198) |  |  | 165 |  |  | Total before tax
|  | (173) |  |  | 310 |  |  | (47) |  |  | Provision for Income Taxes
|  | $ | 487 |  |  | $ | (888) |  |  | $ | 118 |  |  | Net Income
Amortization of prior service cost on benefit obligations |  | $ | (3,177) |  |  | $ | (2,592) |  |  | $ | (1,910) |  |  | Other – net
|  | 645 |  |  | 562 |  |  | 410 |  |  | Provision for Income Taxes
|  | $ | (2,532) |  |  | $ | (2,030) |  |  | $ | (1,500) |  |  | Net Income
Realized gains on investments |  | $ | — |  |  | $ | — |  |  | $ | 3 |  |  | Other – net
|  | — |  |  | — |  |  | (1) |  |  | Provision for Income Taxes
|  | $ | — |  |  | $ | — |  |  | $ | 2 |  |  | Net Income
Total reclassification for the period |  | $ | (2,045) |  |  | $ | (2,918) |  |  | $ | (1,380) |  |  |

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