Consolidated Statements of Stockholders’ Equity (Deficit) (USD $) In Millions, except Share data, unless otherwise specified	Total	Common Stock	Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Accumulated Deficit
Balance at Dec. 31, 2010	$ (79.8)	$ 0.6	$ 1,401.1	$ (86.1)	$ (1.5)	$ (1,393.9)
Balance (in shares) at Dec. 31, 2010	(54,922,783)	(55,080,463)			(157,680)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	56.7					56.7
Income (loss) on derivative financial instrument, net of tax	3.7			3.7
Translation impact	(15.0)			(15.0)
Pension and post-retirement adjustment, net of tax	(33.6)			(33.6)
Stock-based compensation activity	6.1	0	6.3		(0.2)
Increase (Decrease) In Capital Stock [Roll Forward]
Stock issuances - stock based compensation (in shares)	(552,952)	(579,290)			(26,338)
Balance at Dec. 31, 2011	(61.9)	0.6	1,407.4	(131.0)	(1.7)	(1,337.2)
Balance (in shares) at Dec. 31, 2011	(55,475,735)	(55,659,753)			(184,018)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	115.4					115.4
Stock issuance - Mead C&OP acquisition	602.3	0.5	601.8
Income (loss) on derivative financial instrument, net of tax	(2.1)			(2.1)
Translation impact	(10.9)			(10.9)
Pension and post-retirement adjustment, net of tax	(12.1)			(12.1)
Stock-based compensation activity	8.6		9.4		(0.8)
Other	(0.1)		(0.1)
Increase (Decrease) In Capital Stock [Roll Forward]
Stock issuances - stock based compensation (in shares)	(577,801)	(654,263)			(76,462)
Stock issuance - Mead C&OP acquisition (in shares)	(57,089,808)	(57,089,808)			0
Balance at Dec. 31, 2012	639.2	1.1	2,018.5	(156.1)	(2.5)	(1,221.8)
Balance (in shares) at Dec. 31, 2012	(113,143,344)	(113,403,824)			(260,480)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	77.1
Income (loss) on derivative financial instrument, net of tax	0.2			0.2
Translation impact	(61.6)			(61.6)
Pension and post-retirement adjustment, net of tax	31.9			31.9
Stock-based compensation activity	15.4	0	16.4		(1.0)
Other	0.1		0.1
Increase (Decrease) In Capital Stock [Roll Forward]
Stock issuances - stock based compensation (in shares)	(520,512)	(652,592)			(132,080)
Balance at Dec. 31, 2013	$ 702.3	$ 1.1	$ 2,035.0	$ (185.6)	$ (3.5)	$ (1,144.7)
Balance (in shares) at Dec. 31, 2013	(113,663,856)	(114,056,416)			(392,560)