DEBT AND INTEREST (Details 2) € in Millions, $ in Millions	1 Months Ended											3 Months Ended								12 Months Ended
	Jan. 31, 2016 USD ($)	Jul. 31, 2015 EUR (€)	Feb. 28, 2015 USD ($)	Jan. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2012 USD ($)	Aug. 31, 2012 USD ($)	Dec. 31, 2011	Oct. 31, 2011 USD ($) series	Feb. 29, 2008 USD ($)	Jul. 31, 2006 EUR (€)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 USD ($)	Apr. 30, 2013 USD ($)	Nov. 30, 2012 USD ($)
Debt instrument
CARRYING VALUE					$ 5,598.3											$ 5,598.3					$ 5,598.3				$ 5,829.6
Long-term debt, current maturities					(754.9)											(754.9)					(754.9)				(1,569.4)
Long-term debt					4,843.4											4,843.4					4,843.4				4,260.2
Aggregate annual maturities of long-term debt
2016																									1,569.0
2017																									510.0
2018																									558.0
2019																									12.0
2020																									310.0
Interest
Interest expense																				$ 253.7	268.0	$ 272.8
Interest income																				(10.1)	(11.4)	(10.5)
Interest expense, net												$ 62.3	$ 57.6	$ 61.2	$ 62.5	62.0	$ 63.3	$ 66.2	$ 65.1	243.6	256.6	262.3
Champion
Debt instrument
Aggregate principal amount						$ 500.0
Beneficial Interest in Trust, Naperville Facility
Components of the aggregate purchase prices of the completed acquisitions
Debt assumed																									100.2
Property, plant and equipment																									135.2
Cash consideration																				$ 19.8
Seven year 2008 senior notes
Debt instrument
CARRYING VALUE					$ 250.0											$ 250.0					$ 250.0
AVERAGE INTEREST RATE (as a percent)					4.88%											4.88%					4.88%
EFFECTIVE INTEREST RATE (as a percent)					5.03%											5.03%					5.03%
Aggregate principal amount																									0.0
Repayment of debt			$ 250.0
Issuance of Debt securities										$ 250.0
Debt instrument, term																				7 years
Interest rate (as a percent)			4.875%							4.875%
Three year 2012 senior notes
Debt instrument
CARRYING VALUE					$ 499.4											$ 499.4					$ 499.4
AVERAGE INTEREST RATE (as a percent)					1.00%											1.00%					1.00%
EFFECTIVE INTEREST RATE (as a percent)					1.02%											1.02%					1.02%
Aggregate principal amount																									0.0
Issuance of Debt securities							$ 500.0
Debt instrument, term							3 years													3 years
Interest rate (as a percent)							1.00%
Term loan
Debt instrument
CARRYING VALUE					$ 399.7											$ 399.7					$ 399.7				$ 125.0
AVERAGE INTEREST RATE (as a percent)					1.37%											1.37%					1.37%			1.40%	1.40%
EFFECTIVE INTEREST RATE (as a percent)					1.37%											1.37%					1.37%			1.40%	1.40%
Aggregate principal amount																									$ 125.0		$ 900.0
Term loan | Champion
Debt instrument
Aggregate principal amount																										$ 900.0
Repayment of debt																				$ 275.0	$ 400.0	$ 100.0
Term loan | Subsequent event | Champion
Debt instrument
Repayment of debt	$ 125.0
Series B private placement senior euro notes, due 2016
Debt instrument
CARRYING VALUE					$ 217.7											$ 217.7					$ 217.7				$ 184.9
AVERAGE INTEREST RATE (as a percent)					4.59%											4.59%					4.59%			4.59%	4.59%
EFFECTIVE INTEREST RATE (as a percent)					4.73%											4.73%					4.73%			4.73%	4.73%
Aggregate principal amount | €																								€ 175
Issuance of Debt securities | €											€ 175
Interest rate (as a percent)											4.585%
Series B senior euro notes, due 2016
Debt instrument
Aggregate principal amount																									$ 185.0
Five year 2012 senior notes
Debt instrument
CARRYING VALUE					$ 495.0											$ 495.0					$ 495.0				$ 497.9
AVERAGE INTEREST RATE (as a percent)					1.45%											1.45%					1.45%			1.45%	1.45%
EFFECTIVE INTEREST RATE (as a percent)					1.10%											1.10%					1.10%			0.82%	0.82%
Aggregate principal amount						500.0																			$ 500.0
Issuance of Debt securities						$ 500.0
Debt instrument, term						5 years														5 years
Interest rate (as a percent)						1.45%
2016 Public Debt Offering | Subsequent event
Debt instrument
Aggregate principal amount	800.0
Three year 2016 senior notes | Subsequent event
Debt instrument
Issuance of Debt securities	$ 400.0
Debt instrument, term	3 years
Interest rate (as a percent)	2.00%
Five year 2016 senior notes | Subsequent event
Debt instrument
Issuance of Debt securities	$ 400.0
Debt instrument, term	7 years
Interest rate (as a percent)	3.25%
2015 Public Debt Offering
Debt instrument
Aggregate principal amount				$ 600.0
Three year 2015 senior notes
Debt instrument
CARRYING VALUE																									$ 297.8
AVERAGE INTEREST RATE (as a percent)																								1.55%	1.55%
EFFECTIVE INTEREST RATE (as a percent)																								0.98%	0.98%
Aggregate principal amount																									$ 300.0
Issuance of Debt securities				$ 300.0
Debt instrument, term				3 years																3 years
Interest rate (as a percent)				1.55%
Five year 2015 senior notes
Debt instrument
CARRYING VALUE																									$ 298.1
AVERAGE INTEREST RATE (as a percent)																								2.25%	2.25%
EFFECTIVE INTEREST RATE (as a percent)																								2.30%	2.30%
Aggregate principal amount																									$ 300.0
Issuance of Debt securities				$ 300.0
Debt instrument, term				5 years																5 years
Interest rate (as a percent)				2.25%
Ten Year 2015 senior euro notes
Debt instrument
CARRYING VALUE																									$ 601.8
AVERAGE INTEREST RATE (as a percent)																								2.63%	2.63%
EFFECTIVE INTEREST RATE (as a percent)																								2.99%	2.99%
Aggregate principal amount		€ 575																						€ 575	$ 602.0
Debt instrument, term		10 years																		10 years
Interest rate (as a percent)		2.625%
Private placement senior notes
Debt instrument
Aggregate principal amount									$ 500.0
Number of series of senior notes | series									2
Series A private placement senior notes due 2018
Debt instrument
CARRYING VALUE					$ 249.3				$ 250.0							$ 249.3					$ 249.3				$ 248.6
AVERAGE INTEREST RATE (as a percent)					3.69%											3.69%					3.69%			3.69%	3.69%
EFFECTIVE INTEREST RATE (as a percent)					5.22%											5.22%					5.22%			4.32%	4.32%
Aggregate principal amount																									$ 250.0
Debt instrument, term									7 years
Interest rate (as a percent)									3.69%
Series B private placement senior notes due 2023
Debt instrument
CARRYING VALUE					$ 249.0				$ 250.0							$ 249.0					$ 249.0				$ 249.1
AVERAGE INTEREST RATE (as a percent)					4.32%											4.32%					4.32%			4.32%	4.32%
EFFECTIVE INTEREST RATE (as a percent)					4.36%											4.36%					4.36%			4.36%	4.36%
Aggregate principal amount																									$ 250.0
Debt instrument, term									12 years
Interest rate (as a percent)									4.32%
2011 Public Debt Offering
Debt instrument
Issuance of Debt securities																							$ 3,750.0
2011 Public Debt Offering | Minimum
Debt instrument
Interest rate (as a percent)								2.375%															2.375%
2011 Public Debt Offering | Maximum
Debt instrument
Interest rate (as a percent)								5.50%															5.50%
Three year 2011 senior notes
Debt instrument
Repayment of debt					$ 500.0
Debt instrument, term								3 years
Interest rate (as a percent)					2.375%											2.375%					2.375%
Five year 2011 senior notes
Debt instrument
CARRYING VALUE					$ 1,245.3											$ 1,245.3					$ 1,245.3				$ 1,247.3
AVERAGE INTEREST RATE (as a percent)					3.00%											3.00%					3.00%			3.00%	3.00%
EFFECTIVE INTEREST RATE (as a percent)					3.20%											3.20%					3.20%			3.08%	3.08%
Aggregate principal amount																									$ 1,250.0
Debt instrument, term								5 years												5 years
Ten year 2011 senior notes
Debt instrument
CARRYING VALUE					$ 1,242.7											$ 1,242.7					$ 1,242.7				$ 1,243.7
AVERAGE INTEREST RATE (as a percent)					4.35%											4.35%					4.35%			4.35%	4.35%
EFFECTIVE INTEREST RATE (as a percent)					4.43%											4.43%					4.43%			4.43%	4.43%
Aggregate principal amount																									$ 1,250.0
Debt instrument, term								10 years												10 years
Thirty year 2011 senior notes
Debt instrument
CARRYING VALUE					$ 737.8											$ 737.8					$ 737.8				$ 738.3
AVERAGE INTEREST RATE (as a percent)					5.50%											5.50%					5.50%			5.50%	5.50%
EFFECTIVE INTEREST RATE (as a percent)					5.56%											5.56%					5.56%			5.56%	5.56%
Aggregate principal amount																									$ 750.0
Debt instrument, term								30 years												30 years
Capital lease obligations
Debt instrument
CARRYING VALUE					$ 9.3											$ 9.3					$ 9.3				5.6
Other
Debt instrument
CARRYING VALUE					$ 3.1											$ 3.1					$ 3.1				$ 91.5
Series of notes issued by the company in January 2015, July 2015, December 2012, and December 2011
Debt instrument
Principal outstanding plus accrued unpaid interest payable at prepayment of notes (as a percent)																								101.00%	101.00%
Series of notes issued by the company in December, 2006 and November, 2011
Debt instrument
Principal outstanding plus accrued unpaid interest payable at prepayment of notes (as a percent)																								100.00%	100.00%