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Stock-based Compensation Plans (Unrecognized stock compensation expense and the remaining weighted-average vesting period) (Details) $ in Thousands | 9 Months Ended
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Sep. 29, 2019 USD ($)
Stock options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock-based compensation, nonvested awards, compensation expense not yet recognized, stock options | $ 9,115
Employee service share-based compensation, nonvested awards, compensation expense not yet recognized, period for recognition | 2 years 1 month 6 days
Restricted stock units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock-based compensation, nonvested awards, compensation expense not yet recognized, stock-based awards other than options | $ 16,848
Employee service share-based compensation, nonvested awards, compensation expense not yet recognized, period for recognition | 2 years 2 months 12 days
Performance-based share units [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock-based compensation, nonvested awards, compensation expense not yet recognized, stock-based awards other than options | $ 7,003
Employee service share-based compensation, nonvested awards, compensation expense not yet recognized, period for recognition | 1 year 4 months 24 days

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + 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 (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + 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 (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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