COMMITMENTS AND CONTINGENT LIABILITIES (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitment Expiration

The Company's management believes that these guarantees will expire without being funded, and therefore, the commitments will not have a material adverse effect on the Company's financial condition.

	Amount of Commitment Expiration Per Period
	Total Amounts Committed		Less Than 1 Year		1-3 Years		3-5 Years		Beyond 5 Years
Letters of Credit:
Employee-Related	$	74,396	$	35,736	$	38,660	$	—	$	—
Environmental	398		398		—		—		—
Other	32,820		32,316		504		—		—
Total Letters of Credit	107,614		68,450		39,164		—		—
Surety Bonds:
Employee-Related	105,240		105,240		—		—		—
Environmental	499,956		496,371		3,585		—		—
Other	4,772		4,285		487		—		—
Total Surety Bonds	609,968		605,896		4,072		—		—
Guarantees:
Other	28,530		8,762		14,397		4,691		680
Total Guarantees	28,530		8,762		14,397		4,691		680
Total Commitments	$	746,112	$	683,108	$	57,633	$	4,691	$	680