XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.20.2

Stock-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 26, 2020
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Stock-Based Compensation Expense |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 26, 2020 |  |  | September 28, 2019 |  |  | September 26, 2020 |  |  | September 28, 2019 |
Cost of sales |  | $ | 645 |  |  | $ | 531 |  |  | $ | 1,850 |  |  | $ | 1,673 |
Selling and administrative expenses |  |  | 7,747 |  |  |  | 7,766 |  |  |  | 22,472 |  |  |  | 23,293 |
Research and development expenses |  |  | 1,201 |  |  |  | 1,365 |  |  |  | 3,393 |  |  |  | 3,951 |
Total stock-based compensation |  | $ | 9,593 |  |  | $ | 9,662 |  |  | $ | 27,715 |  |  | $ | 28,917 |
Relevant Data Used to Determine the Value of Stock Options Granted During the Period | The relevant data used to determine the value of the stock options granted during the nine months ended September 26, 2020 and September 28, 2019 are as follows:
|  | Nine Months Ended |
Options Issued and Significant Assumptions Used to Estimate Option Fair Values |  | September 26, 2020 |  |  | September 28, 2019 |
Options issued in thousands |  |  | 267 |  |  |  | 139 |
Risk-free interest rate |  |  | 1.2 | % |  |  | 2.5 | %
Expected life in years |  |  | 6 |  |  |  | 5 |
Expected volatility |  |  | 27.8 | % |  |  | 24.3 | %
Expected dividends |  |  | — |  |  |  | — |
Stock Options Outstanding Roll Forward |
|  | Nine Months Ended |
Weighted-Average Exercise Price and Fair Value of Options on the Date of Grant |  | September 26, 2020 |  |  | September 28, 2019 |
Exercise price |  | $ | 215.12 |  |  | $ | 231.30 |
Fair value |  | $ | 62.93 |  |  | $ | 61.85 |
Stock Options Outstanding by Exercise Price Range | The following table summarizes stock option activity for the plans for the nine months ended September 26, 2020 (in thousands, except per share data):
|  | Number of Shares |  |  | Exercise Price per Share |  |  | Weighted-Average Exercise Price per Share |
Outstanding at December 31, 2019 |  |  | 1,455 |  |  | $ | 61.63 |  |  |  | to |  |  | $ | 238.52 |  |  | $ | 158.61 |
Granted |  |  | 267 |  |  | $ | 188.63 |  |  |  | to |  |  | $ | 235.06 |  |  | $ | 215.12 |
Exercised |  |  | (184 | ) |  | $ | 61.63 |  |  |  | to |  |  | $ | 208.47 |  |  | $ | 124.58 |
Canceled |  |  | (150 | ) |  | $ | 128.93 |  |  |  | to |  |  | $ | 238.52 |  |  | $ | 176.27 |
Outstanding at September 26, 2020 |  |  | 1,388 |  |  | $ | 75.94 |  |  |  | to |  |  | $ | 238.52 |  |  | $ | 172.08 |
Restricted Stock Units Unvested Roll Forward | The following table summarizes the unvested restricted stock unit award activity for the nine months ended September 26, 2020 (in thousands, except per share data):
|  | Shares |  |  | Weighted - Average Grant Date Fair Value per Share |
Unvested at December 31, 2019 |  |  | 260 |  |  | $ | 184.70 |
Granted |  |  | 119 |  |  | $ | 206.99 |
Vested |  |  | (87 | ) |  | $ | 162.12 |
Forfeited |  |  | (18 | ) |  | $ | 187.90 |
Unvested at September 26, 2020 |  |  | 274 |  |  | $ | 201.34 |
Restricted stock units are generally granted annually in February and vest in equal annual installments over a five-year period.
Relevant Data Used to Determine the Value of Performance Shares | The relevant data used to determine the value of the performance stock units granted during the nine months ended September 26, 2020 and September 28, 2019 are as follows:
|  | Nine Months Ended |
Performance Stock Units Issued and Significant Assumptions Used to Estimate Fair Values |  | September 26, 2020 |  |  | September 28, 2019 |
Performance stock units issued (in thousands) |  |  | 58 |  |  |  | 13 |
Risk-free interest rate |  |  | 1.3 | % |  |  | 2.4 | %
Expected life in years |  |  | 2.9 |  |  |  | 2.8 |
Expected volatility |  |  | 25.1 | % |  |  | 23.5 | %
Average volatility of peer companies |  |  | 26.1 | % |  |  | 26.2 | %
Correlation coefficient |  |  | 36.6 | % |  |  | 34.2 | %
Expected dividends |  |  | — |  |  |  | — |
Performance Stock Units Unvested Roll Forward | The following table summarizes the unvested performance stock unit award activity for the nine months ended September 26, 2020 (in thousands, except per share data):
|  | Shares |  |  | Weighted-Average Fair Value per Share |
Unvested at December 31, 2019 |  |  | 105 |  |  | $ | 233.11 |
Granted |  |  | 58 |  |  | $ | 190.45 |
Vested |  |  | (36 | ) |  | $ | 184.51 |
Forfeited |  |  | (25 | ) |  | $ | 231.35 |
Unvested at September 26, 2020 |  |  | 102 |  |  | $ | 226.44 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of number and weighted-average grant date fair value for nonvested performance shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of share based payment award performance stock units valuation assumptions. + References No definition available. + Details
Name: | wat_ScheduleOfShareBasedPaymentAwardPerformanceStockUnitsValuationAssumptionsTableTextBlock
Namespace Prefix: | wat_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration