Leases (Notes)

12 Months Ended

Dec. 31, 2016

Leases [Abstract]

Leases of Lessee Disclosure [Text Block]

Leases

Rent expense was as follows (in thousands):

Facility Rents:	2016		2015		2014
Minimum rents	$	59,002	$	52,650	$	47,754
Contingent rents	3,099		5,168		6,241
Total	$	62,101	$	57,818	$	53,995
Equipment Rents	$	5,316	$	4,362	$	3,609

The aggregate minimum rental commitments under operating leases for subsequent years are as follows (in thousands):

2017	$	66,493
2018	58,964
2019	49,322
2020	42,862
2021	37,517
Thereafter	137,239
Total future minimum lease payments	$	392,397