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Condensed Consolidated Statements of Equity (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Statement of Stockholders' Equity [Abstract]        
Net issuances of shares held in treasury in settlement of stock-based compensation (in shares) 4,732 14,183 284,752 341,681
Number of shares repurchased (in shares) 1,182,976 717,989 1,987,246 1,547,349
Average price (in dollars per share) $ 136.63 $ 195.35 $ 140.65 $ 191.09