Property, Plant and Equipment

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

Property, Plant and Equipment

6. Property, Plant and Equipment

The principal categories and estimated useful lives of property, plant and equipment, net were as follows:

					Estimated
(in thousands)	December 31, 2017		January 1, 2017		Useful Lives
Land	$	78,825	$	68,541
Buildings		211,308		201,247	8-50 years
Machinery and equipment		315,117		229,119	5-20 years
Transportation equipment		351,479		316,929	4-20 years
Furniture and fixtures		89,559		78,219	3-10 years
Cold drink dispensing equipment		488,208		484,771	5-17 years
Leasehold and land improvements		125,348		112,393	5-20 years
Software for internal use		113,490		105,405	3-10 years
Construction in progress		25,490		14,818
Total property, plant and equipment, at cost		1,798,824		1,611,442
Less:  Accumulated depreciation and amortization		767,436		798,453
Property, plant and equipment, net	$	1,031,388	$	812,989

Depreciation expense, which includes amortization expense for leased property under capital leases, was $150.4 million in 2017, $111.6 million in 2016 and $78.1 million in 2015.  

During 2017, 2016 and 2015, the Company performed periodic reviews of property, plant and equipment and determined no material impairment existed.