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Common Stock Repurchase (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Jan. 01, 2021 | Jan. 03, 2020 | Aug. 31, 2021 | Nov. 30, 2017
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Common stock repurchased during period | $ 180.0 | $ 81.6 | $ 179.8 |  |
Retained Earnings |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Common stock repurchased during period | $ 164.3 | $ 68.6 | $ 149.1 |  |
2017 and 2021 Stock Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Common stock repurchased during period (in shares) | 2.1 |  |  |  |
Common stock repurchased average price (in dollars per share) | $ 85.75 |  |  |  |
Common stock repurchased during period | $ 180.0 |  |  |  |
2017 Stock Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchase program authorized amount |  |  |  |  | $ 600.0
Stock repurchase program, remaining authorized fund |  |  |  | $ 50.7 |
Common stock repurchased during period (in shares) |  | 1.9 | 4.7 |  |
Common stock repurchased average price (in dollars per share) |  | $ 43.40 | $ 38.51 |  |
Common stock repurchased during period |  | $ 81.6 | $ 179.8 |  |
2021 Stock Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchase program authorized amount |  |  |  | $ 750.0 |
Stock repurchase program, remaining authorized fund | $ 610.0 |  |  |  |

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- Definition Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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