Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2014

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

Supplemental cash flow information was as follows:

	Six months ended June 30,
	2014		2013
	(In thousands)
Interest paid	$	68,974	67,545
Income taxes paid	7,332		8,447
Changes in accounts payable related to purchases of revenue earning equipment	1,520		40,389
Operating and revenue earning equipment acquired under capital leases	2,371		4,814