Selected Quarterly Financial Results (unaudited)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Results (unaudited)


	Year Ended December 31, 2020
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Net sales:
Corporate	$	1,911.0	$	1,557.5	$	1,660.0	$	1,717.5

Small Business	391.5		302.1		337.0		366.5

Public:
Government	568.5		719.7		847.7		842.6
Education	476.2		876.8		1,078.2		1,026.9
Healthcare	480.6		425.6		367.9		427.0
Total Public	1,525.3		2,022.1		2,293.8		2,296.5
Other	561.4		484.0		465.6		575.7
Net sales	$	4,389.2	$	4,365.7	$	4,756.4	$	4,956.2
Gross profit	756.5		747.2		825.5		880.9
Operating income	245.8		283.4		317.8		332.2
Net income	167.9		189.1		193.2		238.3

Basic(1)	1.18		1.32		1.36		1.67
Diluted(1)	1.16		1.31		1.33		1.65



	Year Ended December 31, 2019
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Net sales:
Corporate	$	1,736.2	$	1,883.9	$	1,913.5	$	1,965.4

Small Business	355.6		377.4		386.2		391.1

Public:
Government	488.4		578.4		793.4		659.1
Education	400.4		773.6		807.0		430.6
Healthcare	441.9		488.1		500.5		503.4
Total Public	1,330.7		1,840.1		2,100.9		1,593.1
Other	535.4		528.5		507.1		587.3
Net sales	$	3,957.9	$	4,629.9	$	4,907.7	$	4,536.9
Gross profit	672.1		773.8		816.5		777.5
Operating income	228.9		300.3		320.6		283.8
Net income	152.9		196.6		201.7		185.6
Basic(1)	1.04		1.35		1.39		1.29
Diluted(1)	1.02		1.33		1.37		1.27

(1) Basic and diluted net income per share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic and diluted per share information may not equal annual basic and diluted net income per share.