Significant Accounting Policies Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2017

Accounting Policies [Abstract]

Disaggregated Revenue

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In thousands)	2017		2016		2017		2016
LTL services	$	826,401	$	742,255	$	1,566,587	$	1,436,787
Other services	13,511		13,180		27,421		26,381
Total revenue	$	839,912	$	755,435	$	1,594,008	$	1,463,168