Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of Disposal Group, Including Discontinued Operation	$ 61.4				$ 61.4
Net sales	19.3		69.7		60.1		254.4
(Loss) income from discontinued operations before income taxes	0.3		(4.8)		0.3		0.3
Income tax (benefit) expense	(0.1)		0.7		0.3		0.9
(Loss) income from discontinued operations	0.4		(5.5)		0		(0.6)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	(1.0)	[1]	76.6	[1]	2.1	[1]	57.9	[1]
Discontinued Operation, Tax Expense (Benefit) from Provision for (Gain) Loss on Disposal			32.2				28.2
(Loss) income from Discontinued Operations, Net of Tax	(0.6)		71.1		2.1		57.3
Net (loss) gain from sale of discontinued operations			$ 108.8		$ 0.4		$ 86.1

[1] Includes pretax gains of $108.8 million (related tax expense of $32.2 million) and $86.1 million (related tax expense of $28.2 million) for the three and nine months ended September 30, 2013, respectively, relating to the Hardware and Teach businesses, including net gains from sale; impairments and write-offs of goodwill, intangibles and other long-lived assets; and write-downs and write-offs of net working capital..