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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
	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

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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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)
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No definition available.

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