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Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions			3 Months Ended	9 Months Ended
	Oct. 15, 2020	Aug. 25, 2020	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Feb. 25, 2016
Common stock dividends paid				$ 224,600,000	$ 223,900,000
Dividends paid per common share (in dollars per share)		$ 0.79
Stock repurchase program, authorized amount						$ 200,000,000.0
Repurchases of common stock under stock repurchase program			0	0
Common stock repurchase authorization amount available			$ 193,000,000.0	$ 193,000,000.0
Subsequent Event
Common stock dividends paid	$ 74,900,000

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Repurchases of common stock under stock repurchase program.

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Aggregate dividends paid during the period for each share of common stock outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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