PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 30, 2017

Property, Plant and Equipment [Abstract]

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



	2017		2016
Land and improvements	$	93,258	$	85,724
Buildings and improvements	350,937		325,813
Machinery and equipment	588,439		564,171
Transportation equipment	23,682		22,423
Office furniture and equipment	82,025		77,453
Construction in progress	27,346		30,152
	$	1,165,687	$	1,105,736

The Company leases certain facilities, machinery, computer equipment and transportation equipment under operating leases with unexpired terms ranging from one to fifteen years. Rental expense for operating leases amounted to $25,612, $24,756, and $25,546 for fiscal 2017, 2016, and 2015, respectively.

Minimum lease payments under operating leases expiring subsequent to December 30, 2017 are:



Fiscal year ending
2018	$	21,562
2019	15,839
2020	15,639
2021	12,227
2022	7,325
Subsequent	27,325
Total minimum lease payments	$	99,917