Exercise price per share or per unit of warrants or rights outstanding.

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The price per share of the conversion feature embedded in the debt instrument.

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-Publisher FASB
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Contractual interest rate for funds borrowed, under the debt agreement.

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-Topic 210
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Price of a single share of a number of saleable stocks of a company.

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Computation of Earnings Per Common Share - Narratives (Details) - $ / shares	Oct. 27, 2018	Jul. 28, 2018	Apr. 28, 2018	Sep. 15, 2015
Convertible Note Hedge
Shares used in computing earnings per common share:
Debt instrument, convertible, conversion price (per share)	$ 96.89			$ 96.89
0.75% Convertible Senior Notes Due 2021
Shares used in computing earnings per common share:
Debt, interest rate (in percent)	0.75%
Debt instrument, convertible, conversion price (per share)				96.89
Class of warrant or right, exercise price of warrants or rights (per warrant)	$ 130.43			$ 130.43
Weighted Average \| 0.75% Convertible Senior Notes Due 2021
Shares used in computing earnings per common share:
Share price (usd per share)		$ 99.27	$ 110.46