Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

The Company uses the following depreciable lives for its property and equipment:



	Useful Life in Years
Office furniture and equipment	3-10
Delivery equipment	4-10
Warehouse equipment	5-15
Leasehold improvements	3-25
Buildings	15-25

Property and equipment, net consist of the following (in millions):



	December 31,
	2019			2018
Delivery, warehouse and office equipment⁽¹⁾	$	409.1		$	355.0
Leasehold improvements	87.8			86.4
Land and buildings⁽²⁾	52.4			50.0
Construction in progress	1.0			0.4
	550.3			491.8
Less: Accumulated depreciation and amortization	(300.4		)	(262.8		)
Total property and equipment, net	$	249.9		$	229.0

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(1)	Includes equipment finance leases of $56.2 million for 2019 and $19.7 million for 2018.

(2)

Includes warehouse finance leases of $21.8 million for 2019 and $20.6 million 2018.

Intangible assets with definite lives are generally amortized on a straight-line basis over the following lives:



	Useful Life in Years
Customer relationships	9-15
Non-competition agreements	1-5
Trade names	1-2
Internally developed and other purchased software	3-7

The carrying amount and accumulated amortization of other intangible assets as of December 31, 2019 and 2018 are as follows (in millions):



	December 31, 2019							December 31, 2018
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Amount		Amortization			Amount		Amount		Amortization			Amount
Customer relationships	$	48.0	$	(20.0	)	$	28.0	$	48.0	$	(16.2	)	$	31.8
Non-competition agreements	5.0		(4.4		)	0.6		5.0		(4.0		)	1.0
Trade names	3.8		(3.8		)	—		3.8		(3.1		)	0.7
Internally developed and other purchased software	42.0		(23.4		)	18.6		36.0		(18.4		)	17.6
Total other intangible assets	$	98.8	$	(51.6	)	$	47.2	$	92.8	$	(41.7	)	$	51.1