PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 30, 2017

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

D. PROPERTY, PLANT AND EQUIPMENT

(Millions of Dollars)	2017			2016
Land	$	110.9		$	107.3
Land improvements	53.0			37.0
Buildings	611.8			519.3
Leasehold improvements	140.0			114.2
Machinery and equipment	2,343.7			2,008.5
Computer software	400.1			373.9
Property, plant & equipment, gross	$	3,659.5		$	3,160.2
Less: accumulated depreciation and amortization	(1,917.0		)	(1,709.0		)
Property, plant & equipment, net	$	1,742.5		$	1,451.2

Depreciation and amortization expense associated with property, plant and equipment was as follows:

(Millions of Dollars)	2017		2016		2015
Depreciation	$	253.6	$	221.8	$	219.2
Amortization	43.3		41.8		37.7
Depreciation and amortization expense	$	296.9	$	263.6	$	256.9