Share Repurchase (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jul. 01, 2018	Apr. 01, 2018	Jun. 30, 2019	Jul. 01, 2018	Nov. 29, 2018
Equity [Abstract]
Stock repurchase program, authorized amount						$ 300,000
Shares repurchase program (in shares)	0.4	0.4		0.4	1.4
Value of shares repurchased	$ 22,815	$ 24,730	$ 75,270	$ 22,800	$ 100,000
Treasury stock acquired, average cost per share (in usd per share)	$ 57.47	$ 63.75		$ 57.47	$ 69.53

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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