Cash Settlement on Forward Stock Purchase Contract

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- Definition

Common Stock Price Per Share

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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

Mandatory Convertible Equity Units

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No definition available.

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- Definition

Purchase of Call Options

+ References

No definition available.

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- Definition

Stock Exercise Price Per Share

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No definition available.

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- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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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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-Topic 230
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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 as a settlement alternative for each freestanding option contract.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
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-Paragraph 5
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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

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

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Summary of Capped Call (Equity Options) Issued (Detail) - USD ($)			1 Months Ended			3 Months Ended		12 Months Ended
	Nov. 17, 2016	Feb. 01, 2016	Nov. 30, 2016	Feb. 28, 2015	Dec. 31, 2013	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016	Dec. 28, 2013
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, Settlement Alternatives, Shares, at Fair Value		293,142		911,077				711,376
Long-term Debt					$ 345,000,000
Net Premium Paid					$ 9,700,000
Common Stock, Par or Stated Value Per Share						$ 2.50		$ 2.50
Equity Units Conversion Rate Number Of Common Stock Shares			3,504,165					418,234
Payments for Repurchase of Common Stock						$ 13,500,000	$ 361,400,000	$ 374,100,000
Common Stock, Shares, Issued	3,504,165					176,902,738		176,902,738
Cash Settlement on Forward Stock Purchase Contract						$ 345,000,000
Stock Exercise Price Per Share								$ 117.84
Treasury Stock Acquired, Average Cost Per Share		$ 94.34		$ 96.46
Call Option [Member]
Option Indexed to Issuer's Equity [Line Items]
Original Number of Options		3,100,000.0					9,100,000.0		12,200,000.0
Call Option [Member]
Option Indexed to Issuer's Equity [Line Items]
Common Stock Price Per Share									$ 2.77
Notes 2 Point 25 Percent due 2018 [Member]
Option Indexed to Issuer's Equity [Line Items]
Common Stock, Par or Stated Value Per Share								$ 100.00
Common Stock [Member]
Option Indexed to Issuer's Equity [Line Items]
Equity Units Conversion Rate Number Of Common Stock Shares	1.0157
Common Stock [Member] \| Minimum [Member]
Option Indexed to Issuer's Equity [Line Items]
Equity Units Conversion Rate Number Of Common Stock Shares								1.0122	1.0122
Payments for Repurchase of Common Stock									$ 98.80
Common Stock [Member] \| Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Equity Units Conversion Rate Number Of Common Stock Shares								1.2399	1.2399
Payments for Repurchase of Common Stock									$ 80.65
Convertible Preferred Stock [Member]
Option Indexed to Issuer's Equity [Line Items]
Conversion of Stock, Shares Issued									3,500,000.0