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CAPITAL STOCK - Additional Information, Other Equity Arrangements (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended						9 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 28, 2019	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Jul. 01, 2017	Sep. 28, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017	Nov. 13, 2019	Nov. 07, 2019	Sep. 30, 2017	May 17, 2017	May 11, 2017
Option Indexed to Issuer's Equity [Line Items]
Derivative, Forward Interest Rate		5.375%							5.375%
Option Indexed to Issuer's Equity, Strike Price		$ 191.34				$ 161.41	$ 162.27		$ 161.41
Shares Purchased, Transaction Costs										$ 25.1
Purchase of common stock for treasury			$ 300.0	$ 200.0					$ 27.5	$ 527.1	$ 28.7
Option indexed to issuer's equity, number of call options purchased					3,200,000				3,900,000	4,600,000
Purchase Of Call Options		$ (19.2)			$ (57.3)		$ (25.1)		$ 19.2	$ 57.3	25.1
Number of net-share settled options exercised (in shares)									1,851,761
Preferred Stock, Liquidation Preference Per Share		$ 1,000					$ 1,000		$ 1,000					$ 1,000
Preferred Stock Conversion Rate Number Of Common Stock Shares		$ 5.2263					$ 6.1627		$ 6.1954
equity unit proceeds		$ 735.0					$ 726.0		$ 735.0
Preferred Stock, Value, Issued		$ 1,500.0							$ 1,500.0	$ 750.0
Common Stock, Shares, Issued		176,902,738							176,902,738	176,902,738
Treasury Stock, Shares, Acquired			2,086,792	1,399,732
Common Stock, Par or Stated Value Per Share		$ 2.5							$ 2.5	$ 2.5
Equity Units Conversion Rate Number Of Common Stock Shares		0.6272				0.7279	0.7241
Stock Issued During Period, Value, Treasury Stock Reissued									$ 146.0	$ 38.5	$ 90.8
equity units issued		7,500,000					7,500,000		7,500,000
Equity Unit		$ 750.0					$ 750.0		$ 750.0
Shares Issued, Price Per Share		$ 137.38					$ 100		$ 137.38			$ 100	$ 159.45			$ 138.10
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share		$ 100				$ 100	$ 100		$ 100
Forward Contract Indexed to Issuer's Equity, Shares		4,700,000							5,400,000
Preferred Stock, Shares Issued		750,000					750,000		750,000
Preferred Stock, Liquidation Preference, Value		$ 750.0					$ 750.0		$ 750.0
Accretion Expense									1.3
Forward Contract Indexed to Issuer's Equity, Settlement Alternatives, Cash, at Fair Value		19.7							19.7			$ 114.2			$ 117.1
Option Indexed to Issuer's Equity, Settlement Alternatives, Cash, at Fair Value		$ 36.0	$ 56.4						$ 36.0
Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, Strike Price	$ 203.92	$ 207.29					$ 179.53	$ 203.57	$ 178.58
Minimum
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, Strike Price	$ 156.86	$ 191.34					$ 162.27	$ 156.59	161.41
Call Option [Member]
Option Indexed to Issuer's Equity [Line Items]
Call option, average price					$ 17.96				4.90	$ 5.43
2022 Purchase Contract [Member] [Member]
Option Indexed to Issuer's Equity [Line Items]
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share									$ 100
Cash Settlement on Forward Stock Purchase Contract		$ 750.0
2020 Purchase Contract [Member]
Option Indexed to Issuer's Equity [Line Items]
Cash Settlement on Forward Stock Purchase Contract									$ 750.0
2019 Equity Units [Domain]
Option Indexed to Issuer's Equity [Line Items]
Derivative, Forward Interest Rate		5.25%							5.25%
Accretion Expense									$ 1.3
Forward Contract Indexed to Issuer's Equity, Settlement Alternatives, Cash, at Fair Value		$ 114.4							$ 114.4
2019 Equity Units [Domain] | Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, Strike Price									$ 207.29
2019 Capped Call [Domain]
Option Indexed to Issuer's Equity [Line Items]
Purchase Of Call Options									$ 19.2

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