Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Information about the Company’s segments is as follows:

(in millions)	Corporate			Small Business			Public			Other			Headquarters			Total
Three Months Ended June 30, 2017:
Net sales	$	1,630.7		$	321.5		$	1,674.1		$	368.1		$	—		$	3,994.4
Income (loss) from operations	127.1			19.3			104.5			12.6			(32.4		)	231.1
Depreciation and amortization expense	(20.8		)	(5.1		)	(11.2		)	(7.6		)	(20.7		)	(65.4		)
Three Months Ended June 30, 2016:
Net sales	$	1,490.8		$	288.4		$	1,547.0		$	338.4		$	—		$	3,664.6
Income (loss) from operations	117.5			17.7			108.3			9.4			(29.4		)	223.5
Depreciation and amortization expense	(20.7		)	(5.2		)	(11.1		)	(8.3		)	(18.4		)	(63.7		)

(in millions)	Corporate			Small Business			Public			Other			Headquarters			Total
Six Months Ended June 30, 2017:
Net sales	$	3,107.0		$	620.2		$	2,850.6		$	741.3		$	—		$	7,319.1
Income (loss) from operations	238.5			36.0			165.1			25.2			(63.9		)	$	400.9
Depreciation and amortization expense	(41.7		)	(10.3		)	(22.4		)	(14.6		)	(40.5		)	$	(129.5	)
Six Months Ended June 30, 2016:
Net sales	$	2,905.7		$	565.7		$	2,616.5		$	693.4		$	—		$	6,781.3
Income (loss) from operations	219.1			34.3			166.7			17.5			(53.1		)	$	384.5
Depreciation and amortization expense	(41.4		)	(10.3		)	(22.3		)	(16.9		)	(36.8		)	$	(127.7	)