Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

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


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

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


	December 31,
	2020		2019
Delivery, warehouse and office equipment(1)	$	460.3	$	409.1
Leasehold improvements	90.6		87.8
Land and buildings(2)	52.0		52.4
Construction in progress	16.9		1.0
	619.8		550.3
Less: Accumulated depreciation and amortization	(343.8)		(300.4)
Total property and equipment, net	$	276.0	$	249.9

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(1) Includes equipment finance leases of $103.7 million for 2020 and $56.2 million for 2019.

(2) Includes warehouse finance leases of $20.6 million for 2020 and $21.8 million for 2019.

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, 2020 and 2019 are as follows (in millions):


	December 31, 2020						December 31, 2019
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Customer relationships	$	48.0	$	(23.9)	$	24.1	$	48.0	$	(20.0)	$	28.0
Non-competition agreements	5.0		(4.8)		0.2		5.0		(4.4)		0.6
Trade names	3.8		(3.8)		—		3.8		(3.8)		—

Internally developed and other purchased software	45.3		(28.9)		16.4		42.0		(23.4)		18.6
Total other intangible assets	$	102.1	$	(61.4)	$	40.7	$	98.8	$	(51.6)	$	47.2