XML 48 R33.htm IDEA: XBRL DOCUMENT
v3.10.0.1

STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary Of Employee Stock-Based Compensation Expense | Stock-based compensation expense - all related to employees and members of the Board of Directors - recognized under the authoritative guidance was as follows:
| Years Ended December 31,
| 2018 |  | 2017 |  | 2016
| (In thousands)
Selling, general and administrative | $ | 18,721 |  |  | $ | 19,785 |  |  | $ | 15,829 |
Research and development | 1,609 |  |  | 1,273 |  |  | 1,048 |
Cost of goods sold | 449 |  |  | 492 |  |  | 433 |
Total stock-based compensation expense | 20,779 |  |  | 21,550 |  |  | 17,310 |
Total estimated tax benefit related to stock-based compensation expense | 10,430 |  |  | 15,448 |  |  | 10,569 |
Net effect on net income | $ | 10,349 |  |  | $ | 6,102 |  |  | $ | 6,741 |
Summary Of Weighted-Average Assumptions | The following weighted-average assumptions were used in the calculation of fair value:
| Years Ended December 31,
| 2018 |  | 2017 |  | 2016
Dividend yield | 0% |  | 0% |  | 0%
Expected volatility | 28% |  | 30% |  | 29%
Risk free interest rate | 2.79% |  | 2.18% |  | 1.94%
Expected life of option from grant date | 8 years |  | 8 years |  | 8 years
Summary Of Stock Option Activity | The following table summarizes the Company’s stock option activity.
|  |  | Weighted Average Exercise Price |  | Weighted Average Contractual Term in Years |  | Aggregate Intrinsic Value
| Shares |  |  |
Stock Options | (In thousands) |  |  |  |  |  | (In thousands)
Outstanding at January 1, 2018 | 1,739 |  |  | $ | 23.84 |  |  |  |  |
Granted | 140 |  |  | 56.23 |  |  |  |  |
Exercised | (426 | ) |  | 20.57 |  |  |  |  |
Forfeited or Expired | (5 | ) |  | — |  |  |  |  |
Outstanding at December 31, 2018 | 1,448 |  |  | $ | 27.91 |  |  | 3.79 |  | $ | 26,451 |
Vested or expected to vest at December 31, 2018 | 1,448 |  |  | $ | 27.91 |  |  | 3.79 |  | $ | 26,451 |
Exercisable at December 31, 2018 | 1,117 |  |  | $ | 22.47 |  |  | 3.01 |  | $ | 25,278 |
Summary Of Restricted Stock, Performance Stock, and Contract Stock | The following table summarizes the Company’s awards of restricted stock, performance stock and contract stock for the year ended December 31, 2018.
| Restricted Stock Awards |  | Performance Stock and Contract Stock Awards
| Shares |  | Weighted Average Grant Date Fair Value Per Share |  | Shares |  | Weighted Average Grant Date Fair Value Per Share
| (In thousands) |  |  |  | (In thousands) |  |
Unvested, January 1, 2018 | 451 |  |  | $ | 37.79 |  |  | 172 |  |  | $ | 33.61 |
Granted | 261 |  |  | 56.77 |  |  | 164 |  |  | 56.23 |
Adjustments for performance achievement related to award target | — |  |  | — |  |  | 40 |  |  | 21.42 |
Cancellations | (56 | ) |  | 45.51 |  |  | (14 | ) |  | — |
Released | (239 | ) |  | 37.13 |  |  | (203 | ) |  | 55.81 |
Vested but not released | — |  |  | — |  |  | (74 | ) |  | 42.94 |
Unvested, December 31, 2018 | 417 |  |  | $ | 48.97 |  |  | 85 |  |  | $ | 45.56 |

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 the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for share-based compensation 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 (e) -URI http://asc.fasb.org/extlink&oid=109197908&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 (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&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 (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
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=109197908&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=109197908&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=109197908&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=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration