For the years ended December 31, 2017, 2016 and 2015, we paid interest and related fees of $313.8 million, $303.2 million and $218.3 million, respectively.

For the year ended December 31, 2017, we had non-cash investing activities for property and equipment of $20.0 million and non-cash investing activities in connection with capital leases of $13.3 million. For the year ended December 31, 2016, we had non-cash investing activities in connection with property and equipment of $26.7 million. For the year ended December 31, 2015, we had non-cash investing activities in connection with capital leases of $31.1 million and non-cash investing activities for capital expenditures of $41.1 million. For the years ended December 31, 2017, 2016 and 2015, we paid income taxes of $11.7 million, $8.8 million and $10.3 million, respectively.