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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Schedule of Stock Repurchased and Retired

Share repurchases under this authorization were as follows:

		Repurchases Occurring in the Three Months Ended March 31, 2018							Cumulative Repurchases as of March 31, 2018
		Shares			Average Price				Shares			Average Price
2016 Share Repurchase Authorization		50,000			$	99.02			1,092,725			$	84.55

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Tabular disclosure of stock repurchased and retired during the period.

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