Properties



	As of
	December 31, 2017			December 31, 2016
	(In millions)
Land and improvements	$	363.9		$	304.7
Buildings and improvements	930.6			853.1
Machinery and equipment	3,910.6			3,513.8
Returnable containers	356.2			321.7
Furniture and fixtures	360.5			313.5
Software	310.4			282.7
Natural resource properties	3.8			3.8
Construction in progress	534.3			413.4
Total properties cost	6,770.3			6,006.7
Less: accumulated depreciation	(2,096.6		)	(1,499.3		)
Properties, net	$	4,673.7		$	4,507.4

Depreciation expense was $590.7 million, $306.3 million and $284.5 million in 2017, 2016 and 2015, respectively. Loss and breakage expense related to our returnable containers, included in the depreciation expense amounts noted above, was $46.9 million, $33.0 million and $33.3 million in 2017, 2016 and 2015, respectively, and is classified within cost of goods sold in the consolidated statements of operations. Additionally, the previously mentioned depreciation expense for 2017, 2016 and 2015 includes accelerated depreciation of $20.5 million, $12.4 million and $49.4 million respectively, associated with brewery and bottling line closures, and is classified within special items in the consolidated statements of operations. See Note 7, "Special Items" for further discussion as well as details around facility closures.