PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment, at cost

Property, plant and equipment, at cost, consist of the following:

	2016		2015
Land and improvements	$	85,724	$	79,450
Buildings and improvements	325,813		323,469
Machinery and equipment	564,171		565,771
Transportation equipment	22,423		17,774
Office furniture and equipment	77,453		77,054
Construction in progress	30,152		17,538
	$	1,105,736	$	1,081,056

Schedule of minimum lease payments under operating leases

Minimum lease payments under operating leases expiring subsequent to December 31, 2016 are:

Fiscal year ending
2017	$	21,459
2018	16,904
2019	12,874
2020	11,355
2021	7,656
Subsequent	26,910
Total minimum lease payments	$	97,158