Commitments

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments

COMMITMENTS

Certain of the Company’s subsidiaries lease facilities and equipment used in operations under both month-to-month and fixed-term agreements. The aggregate minimum rentals under operating leases with non-cancelable terms of one year or more as of December 31, 2018 are as follows:

	Lease Commitments		Sublease Rentals		Net
Year Ending December 31:
2019	$	35,973	$	69	$	35,904
2020	29,917		—		29,917
2021	27,592		—		27,592
2022	25,185		—		25,185
2023	23,589		—		23,589
Thereafter	104,126		—		104,126
Total	$	246,382	$	69	$	246,313

The Company’s rental expense for the years ended December 31, 2018, 2017 and 2016 was $38,893, $34,858 and $27,237, respectively.