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Condensed Consolidated Statements of Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]
Net issuances of shares held in treasury in settlement of stock-based compensation (in shares)	280,020	327,498
Number of shares repurchased (in shares)	804,270	829,360
Average price (in dollars per share)	$ 146.56	$ 187.41

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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