Cash Settlement on Forward Stock Purchase Contract

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- Definition

Common Stock Share Activity [Roll Forward]

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- Definition

Common Stock Shares Outstanding Excluding Shares Subject to Forward Purchase Contract

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No definition available.

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- Definition

Equity Units Conversion Rate Number Of Common Stock Shares

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No definition available.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Number of shares as a settlement alternative for each freestanding option contract.

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- Definition

The maximum number of shares that could be issued to net share settle a contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that may be required to be issued, disclose the fact that a potentially infinite number of shares could be issued to settle the contract.

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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

The cash outflow to reacquire common and preferred stock.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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- Definition

Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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No definition available.

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CAPITAL STOCK - Common Stock Share Activity (Detail) - USD ($) $ in Millions				1 Months Ended			3 Months Ended						12 Months Ended
	Nov. 17, 2016	Feb. 08, 2016	Feb. 01, 2016	Nov. 30, 2016	Oct. 31, 2016	Oct. 31, 2014	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Jul. 01, 2017	Apr. 04, 2015	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016	Dec. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Shares Authorized										300,000,000			300,000,000	300,000,000
Payments for Repurchase of Common Stock		$ 230.9	$ 124.2				$ 300.0	$ 200.0				$ 326.1	$ 527.1	$ 28.7	$ 374.1
Option Indexed to Issuer's Equity, Settlement Alternatives, Shares, at Fair Value			293,142							711,376		911,077		711,376
Equity Units Conversion Rate Number Of Common Stock Shares				3,504,165						0.7259	0.7241			418,234
Forward share purchase contract					$ 147.4	$ 150.0						$ 350.0
Option Indexed to Issuer's Equity, Shares									3,200,000					4,600,000
Cash Settlement on Forward Stock Purchase Contract	$ 345.0												$ 0.0	$ 0.0	$ 147.4
Common Stock Share Activity
Outstanding, beginning of year									154,038,031			153,944,291	154,038,031	152,559,767
Issued from treasury													941,854	1,680,339	4,870,761
Outstanding, end of year										154,038,031			151,302,450	154,038,031	152,559,767
Shares subject to the forward share purchase contract					(1,603,822)	(1,603,822)				(3,645,510)		(3,645,510)	(3,645,510)	(3,645,510)	(3,645,510)
Outstanding, less shares subject to the forward share purchase contract										150,392,521			147,656,940	150,392,521	148,914,257
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures													3,677,435	202,075	6,255,285
Convertible Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of Stock, Shares Issued																3,500,000.0
2018 Omnibus Award Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Shares Authorized									16,750,000
Call Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option Indexed to Issuer's Equity, Shares			3,100,000.0									9,100,000.0			12,200,000.0	12,200,000.0