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Share Repurchase Programs - Summary of Shares of Common Stock Repurchased Under Repurchase Programs (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended			36 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021
Equity [Abstract]
Repurchase program, total number of shares purchased (in shares)	497	445	541	1,483
Repurchase program, average price paid per share (in dollars per share)	$ 100.55	$ 56.20	$ 51.56
Repurchase program, approximate dollar value of shares purchased	$ 50,000	$ 25,000	$ 27,899	$ 102,899

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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

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