Property and Equipment

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Property and Equipment

8. PROPERTY AND EQUIPMENT

Property and equipment consisted of the following (in thousands):

	December 31, 2016			January 2, 2016			Range of Useful Lives
Land	$	303,208		$	301,924
Buildings and building improvements		1,144,041			1,156,914		10–40 years
Transportation equipment		835,089			745,399		5–10 years
Warehouse equipment		343,315			332,018		5–12 years
Office equipment, furniture and software		772,334			690,430		3–7 years
Construction in process		94,075			58,849
		3,492,062			3,285,534
Less accumulated depreciation and amortization		(1,724,451	)		(1,516,649	)
Property and equipment—net	$	1,767,611		$	1,768,885

Transportation equipment included $354 million and $260 million of capital lease assets at December 31, 2016 and January 2, 2016, respectively. Buildings and building improvements included $97 million and $98 million of capital lease assets at December 31, 2016 and January 2, 2016, respectively. Accumulated amortization of capital lease assets was $119 million and $68 million at December 31, 2016 and January 2, 2016, respectively. Interest capitalized was $1 million and $2 million in fiscal years 2016 and 2015, respectively.

Depreciation and amortization expense of property and equipment—including amortization of capital lease assets—was $266 million, $253 million and $261 million for the fiscal years 2016, 2015 and 2014, respectively.