Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 2.0		$ 75.6		$ 4.1		$ 144.8
(Loss) income from discontinued operations before income taxes	0.5		0.4		(0.6)		1.1
Income tax (benefit) expense	0.6		(1.5)		0.2		(1.2)
(Loss) income from discontinued operations	(0.1)		1.9		(0.8)		2.3
Net gain (loss) from sales of discontinued operations, including impairments, net of tax	1.6	[1]	(8.7)	[1]	3.1	[1]	(18.7)	[1]
Income (loss) from Discontinued Operations, Net of Tax	1.5		(6.8)		2.3		(16.4)
Net (gain) loss from sale of discontinued operations	(2.6)				(4.8)		22.7
Impairment of Goodwill, Intangibles And Other Long-Lived Assets Of Discontinued Operations, Pretax			10.3				22.7
DiscontinuedOperations Impairment, tax benefit (expense)			1.6				4.0
Discontinued Operation, Tax (Expense) Benefit on Disposal of Discontinued Operation	$ (1.0)				$ (1.7)

[1] Includes a pretax gain of $2.6 million (related tax expense of $1.0 million) and $4.8 million (related tax expense of $1.7 million) for the three and six months ended June 30, 2014, respectively, related to the transfer of the international operations of the Hardware business. Includes impairments of $10.3 million (related tax benefit of $1.6 million) and $22.7 million (related tax benefit of $4.0 million) relating to goodwill, intangibles and other long-lived assets and write-downs of working capital for the three and six months ended June 30, 2013, respectively, primarily related to the Teach business.