Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income	$ 54,041	$ 43,391	$ 145,739	$ 135,267
Other comprehensive income, net of tax:
Gain on cash flow hedges, net of tax expense of $0, $103, $175 and $283, respectively		161	277	465
Comprehensive income	$ 54,041	$ 43,552	$ 146,016	$ 135,732