Note 12—Property, Plant & Equipment, Net

The following table summarizes property, plant and equipment, net as of December 30, 2017 and December 31, 2016:


	December 30, 2017								December 31, 2016
(in millions of U.S. dollars)	Estimated Useful Life in Years		Cost		Accumulated Depreciation		Net		Cost		Accumulated Depreciation		Net
Land		n/a	$	82.9	$	—	$	82.9	$	82.0	$	—	$	82.0
Buildings		10-40		88.9		14.8		74.1		102.7		10.2		92.5
Machinery and equipment		5-15		142.3		53.5		88.8		120.8		31.6		89.2
Plates, films and molds		1-10		0.4		0.3		0.1		0.3		0.2		0.1
Vehicles and transportation equipment		3-15		87.3		41.3		46.0		85.3		28.9		56.4
Leasehold improvements ¹				34.1		8.5		25.6		18.4		4.8		13.6
IT Systems		3-7		12.4		6.4		6.0		10.6		3.9		6.7
Furniture and fixtures		3-10		11.3		4.1		7.2		7.2		2.4		4.8
Customer equipment ²		3-7		303.1		90.9		212.2		255.4		61.5		193.9
Returnable bottles ³		3-5		51.8		16.4		35.4		54.4		16.6		37.8
Capital leases ⁴				6.6		0.7		5.9		5.1		0.3		4.8

Total			$	821.1	$	236.9	$	584.2	$	742.2	$	160.4	$	581.8

^1.	Leasehold improvements are amortized over the shorter of their estimated useful lives or the related lease life.

^2.	Customer equipment for the Route Based Services reporting segment consists of coolers, brewers, refrigerators, water purification devices and storage racks held on site at customer locations.

^3.	Returnable bottles are those bottles on site at Route Based Services customer locations.

^4.	Our recorded assets under capital leases relate to machinery and equipment, IT systems, customer equipment and vehicles and transportation equipment.

The amounts above include construction in progress of $11.3 million and $3.0 million for 2017 and 2016, respectively.

Depreciation expense, which includes depreciation recorded for assets under capital leases, for the year ended December 30, 2017 was $120.0 million (2016 - $97.8 million; 2015 - $81.6 million).