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v3.20.1

Immaterial Restatement of Prior Period Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jan. 26, 2020 | Oct. 27, 2019 | Jul. 28, 2019 | Apr. 28, 2019 | Jan. 27, 2019 | Oct. 28, 2018 | Jul. 29, 2018 | Apr. 29, 2018 | Jan. 26, 2020 | Jan. 27, 2019 | Jan. 28, 2018 | Jan. 29, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative |  |  |  |  |  |  |  |  | $ 163,106 | $ 145,246 | $ 148,146 |
Product development and engineering |  |  |  |  |  |  |  |  | 107,368 | 109,047 | 105,070 |
Total operating costs and expenses |  |  |  |  |  |  |  |  | 284,675 | 271,523 | 285,350 |
Operating income | $ 10,196 | $ 17,877 | $ 11,769 | $ 12,167 | $ 27,167 | $ 44,784 | $ 35,221 | $ (1,673) | 52,009 | 105,499 | 66,621 |
Income before taxes and equity in net gains (losses) of equity method investments |  |  |  |  |  |  |  |  | 44,585 | 70,120 | 57,756 |
Provision for income taxes |  |  |  |  |  |  |  |  | 12,828 | 355 | 22,853 |
Net income before equity in net gains (losses) of equity method investments |  |  |  |  |  |  |  |  | 31,757 | 69,765 | 34,903 |
Net income |  |  |  |  |  |  |  |  | $ 31,866 | $ 69,639 | $ 34,649 |
Basic earnings (loss) per common share (in dollars per share) | $ 0.04 | $ 0.21 | $ 0.03 | $ 0.19 | $ 0.21 | $ 0.22 | $ 0.41 | $ 0.21 | $ 0.48 | $ 1.06 | $ 0.52 |
Diluted earnings (loss) per common share (in dollars per share) | $ 0.04 | $ 0.21 | $ 0.03 | $ 0.19 | $ 0.20 | $ 0.22 | $ 0.40 | $ 0.20 | $ 0.47 | $ 1.02 | $ 0.51 |
Comprehensive income |  |  |  |  |  |  |  |  | $ 29,307 | $ 67,232 | $ 34,743 |
Deferred tax assets | $ 20,094 |  |  |  | $ 14,261 |  |  |  | 20,094 | 14,261 | 4,574 |
Assets | 1,052,433 |  |  |  | 1,062,780 |  |  |  | 1,052,433 | 1,062,780 | 1,086,114 |
Additional paid-in capital | 458,579 |  |  |  | 451,884 |  |  |  | 458,579 | 451,884 | 417,171 |
Retained earnings | 611,607 |  |  |  | 579,736 |  |  |  | 611,607 | 579,736 | 500,569 |
Total stockholders’ equity | 676,954 |  |  |  | 682,580 |  |  |  | 676,954 | 682,580 | 665,351 |
Total equity | 677,200 |  |  |  | 682,580 |  |  |  | 677,200 | 682,580 | 665,351 | $ 605,263
Total liabilities and equity | $ 1,052,433 |  |  |  | 1,062,780 |  |  |  | $ 1,052,433 | 1,062,780 | 1,086,114 |
As Reported |  |  |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative |  |  |  |  |  |  |  |  |  | 151,397 | 146,303 |
Product development and engineering |  |  |  |  |  |  |  |  |  | 109,918 | 104,798 |
Total operating costs and expenses |  |  |  |  |  |  |  |  |  | 278,545 | 283,235 |
Operating income |  | $ 22,165 | $ 15,548 | $ 12,817 | $ 26,771 | $ 41,867 | $ 32,936 | $ (3,097) |  | 98,477 | 68,736 |
Income before taxes and equity in net gains (losses) of equity method investments |  |  |  |  |  |  |  |  |  | 63,098 | 59,871 |
Provision for income taxes |  |  |  |  |  |  |  |  |  | (84) | 23,191 |
Net income before equity in net gains (losses) of equity method investments |  |  |  |  |  |  |  |  |  | 63,182 | 36,680 |
Net income |  |  |  |  |  |  |  |  |  | $ 63,056 | $ 36,426 |
Basic earnings (loss) per common share (in dollars per share) |  | $ 0.27 | $ 0.08 | $ 0.20 | $ 0.20 | $ 0.18 | $ 0.38 | $ 0.19 |  | $ 0.96 | $ 0.55 |
Diluted earnings (loss) per common share (in dollars per share) |  | $ 0.26 | $ 0.08 | $ 0.20 | $ 0.20 | $ 0.18 | $ 0.37 | $ 0.18 |  | $ 0.92 | $ 0.54 |
Comprehensive income |  |  |  |  |  |  |  |  |  | $ 60,649 | $ 36,520 |
Deferred tax assets |  |  |  |  | $ 14,362 |  |  |  |  | 14,362 | 4,236 |
Assets |  |  |  |  | 1,062,881 |  |  |  |  | 1,062,881 | 1,085,776 |
Additional paid-in capital |  |  |  |  | 456,791 |  |  |  |  | 456,791 | 415,056 |
Retained earnings |  |  |  |  | 574,930 |  |  |  |  | 574,930 | 502,346 |
Total stockholders’ equity |  |  |  |  | 682,681 |  |  |  |  | 682,681 | 665,013 |
Total equity |  |  |  |  | 682,681 |  |  |  |  | 682,681 | 665,013 |
Total liabilities and equity |  |  |  |  | $ 1,062,881 |  |  |  |  | $ 1,062,881 | $ 1,085,776 |

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
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