GOODWILL AND OTHER INTANGIBLE ASSETS (Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Jan. 03, 2015
Intangible Assets
Gross carrying amount, amortized intangibles	$ 160.5		$ 160.5		$ 163.8
Accumulated amortization	(57.3)		(57.3)		(54.2)
Gross carrying amount, total intangibles	209.3		209.3		214.5
Amortization expense, intangible assets	2.2	$ 2.1	4.4	$ 4.1
Future Amortization Expense
2015	8.7		8.7
2016	8.7		8.7
2017	8.6		8.6
2018	8.6		8.6
2019	8.5		8.5
Patents
Intangible Assets
Gross carrying amount, amortized intangibles	7.5		7.5		7.6
Accumulated amortization	(6.1)		(6.1)		(6.1)
Supply Agreements
Intangible Assets
Gross carrying amount, amortized intangibles	4.4		4.4		4.4
Accumulated amortization	(4.4)		(4.4)		(4.4)
Technology
Intangible Assets
Gross carrying amount, amortized intangibles	7.5		7.5		7.5
Accumulated amortization	(4.6)		(4.6)		(4.3)
Customer Relationships
Intangible Assets
Gross carrying amount, amortized intangibles	137.5		137.5		140.2
Accumulated amortization	(39.5)		(39.5)		(36.5)
Software
Intangible Assets
Gross carrying amount, amortized intangibles	2.6		2.6		2.9
Accumulated amortization	(1.7)		(1.7)		(1.7)
Other
Intangible Assets
Gross carrying amount, amortized intangibles	1.0		1.0		1.2
Accumulated amortization	(1.0)		(1.0)		(1.2)
Trade Names
Intangible Assets
Amortization expense, intangible assets	$ 48.8		$ 48.8		$ 50.7