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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Consolidated Statements of Comprehensive Income
Net income	$ 73,243	$ 73,681
Other comprehensive income, net of tax:
Unrealized gains on available-for-sale securities, net of taxes of $8 for March 31, 2018		24
Unrealized gains (losses) on hedging derivatives, net of taxes of $35 and $57 for March 31, 2019 and 2018, respectively	(107)	174
Comprehensive income	$ 73,136	$ 73,879

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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