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

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

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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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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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

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General Information - Capital Allocation Plan (Details) - USD ($)								9 Months Ended		24 Months Ended
	Oct. 05, 2020	Aug. 13, 2020	Jul. 23, 2020	May 20, 2020	Apr. 05, 2020	Feb. 20, 2020	Jan. 29, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Jan. 28, 2019	Jan. 10, 2017
Equity, Class of Treasury Stock [Line Items]
Cash dividends paid (in dollars per share)					$ 0.075
Share repurchase program, authorized amount												$ 250,000,000
Shares repurchased (in shares)		17,400,000					15,100,000			20,800,000
Stock repurchase program, remaining authorized repurchase amount								$ 211,000,000
Cash dividends declared (in dollars per share)			$ 0.075	$ 0.075		$ 0.075
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Cash dividends paid (in dollars per share)	$ 0.075
Share Repurchase Program 2019
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, authorized amount											$ 500,000,000
2017 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares)								18,896,538	10,191,257
Share price (in dollars per share)								$ 13.31	$ 12.55