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Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Apr. 01, 2018	Dec. 31, 2019	Jan. 31, 2019	Jan. 31, 2018
Cumulative repurchases, value	$ 151,470	$ 140,672
Cumulative repurchases, shares	4.5	2.9
Common stock average price	$ 35.12	$ 45.69
Dividends Payable, Amount Per Share				$ 0.09	$ 0.09
Dividend payment	$ 15,627	$ 17,588
Share Repurchase Program [Member]
Stock repurchase program, authorized amount	26,100
Cumulative repurchases, value	$ 979,900
Common stock average price	$ 37.55
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	1.5
Maximum [Member]
Stock repurchase program, authorized amount					$ 1,500,000
Scenario, Forecast [Member]
Cumulative repurchases, value			$ 500,000

X

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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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.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

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

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