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9. COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of operating lease payments

Minimum annual payments under operating leases for future years ending December 31 are as follows (in thousands):

		Facilities				Equipment				Total
2018		$	58,907			$	9,551			$	68,458
2019			51,177				8,950				60,127
2020			43,237				7,836				51,073
2021			36,089				5,986				42,075
2022			28,287				3,667				31,954
Thereafter			102,837				3,118				105,955
		$	320,534			$	39,108			$	359,642

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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