Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

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 consist of the following (in millions):



	December 31, 2016			December 31, 2015
Delivery, warehouse and office equipment⁽¹⁾	$	280.4		$	235.3
Leasehold improvements	68.6			54.4
Land and buildings⁽²⁾	32.0			28.9
Construction in progress	3.0			0.8
	384.0			319.4
Less: Accumulated depreciation and amortization	(189.3		)	(159.9		)
Total property and equipment, net	$	194.7		$	159.5

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(1) Includes equipment capital leases of $13.5 million for 2016 and $13.4 million for 2015.

(2) Includes $4.8 million for a capital lease related to a warehouse facility in both 2016 and 2015.

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



	Useful Life in Years
Customer relationships	10-15
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, 2016 and 2015 are as follows (in millions):



	December 31, 2016							December 31, 2015
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Amount		Amortization			Amount		Amount		Amortization			Amount
Customer relationships	$	28.3	$	(9.4	)	$	18.9	$	21.1	$	(7.3	)	$	13.8
Non-competition agreements	5.0		(3.1		)	1.9		3.2		(2.9		)	0.3
Trade names	1.0		(0.3		)	0.7		—		—			—
Favorable lease terms	0.1		—			0.1		—		—			—
Internally developed and other purchased software	33.0		(13.1		)	19.9		25.8		(10.4		)	15.4
Total other intangible assets	$	67.4	$	(25.9	)	$	41.5	$	50.1	$	(20.6	)	$	29.5