DISCONTINUED OPERATIONS - Results from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended																12 Months Ended
	Dec. 29, 2017	[1]	Sep. 29, 2017	[2]	Jun. 30, 2017	[3]	Mar. 31, 2017	[4]	Dec. 30, 2016	[5]	Sep. 30, 2016	[6]	Jul. 01, 2016	[7]	Apr. 01, 2016	[8]	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 2,013.8		$ 2,016.4		$ 2,001.4		$ 1,895.8		$ 1,894.6		$ 1,956.3		$ 1,955.7		$ 1,816.2		$ 7,927.4	$ 7,622.8	$ 6,190.5
Operating (loss) income	$ 80.4		$ 81.0		$ 82.7		$ 69.0		81.0		87.3		56.7		60.3		313.1	285.3	267.8
(Loss) income from discontinued operations before income taxes																	0.0	(0.1)	11.9
(Loss) gain on sale of discontinued operations																	0.0	(0.7)	41.0
Income tax (benefit) expense from discontinued operations																	0.0	(0.2)	22.2
Net (loss) income from discontinued operations									$ 0.0		$ 0.1		$ (0.3)		$ (0.4)		$ 0.0	(0.6)	30.7
Fastener Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales																		1.7	405.9
Operating (loss) income																		(0.2)	14.2
Net (loss) income from discontinued operations																		$ (0.6)	$ 30.7

[1] In the fourth quarter of 2017, "Operating income" includes $9.0 million of intangible asset amortization, $1.5 million of acquisition and integration costs and an intangible asset impairment charge of $5.7 million.

[2] In the third quarter of 2017, "Operating income" includes $9.1 million of intangible asset amortization and $0.8 million of acquisition and integration costs.

[3] In the second quarter of 2017, "Operating income" includes $9.0 million of intangible asset amortization

[4] In the first quarter of 2017, "Operating income" includes $9.0 million of intangible asset amortization

[5] In the fourth quarter of 2016, "Operating income" includes $9.0 million of intangible asset amortization and $0.8 million of acquisition and integration costs.

[6] In the third quarter of 2016, "Operating income" includes $9.4 million of intangible asset amortization, $0.7 million of acquisition and integration costs and a restructuring reversal of $0.2 million.

[7] In the second quarter of 2016, "Operating income" includes $9.5 million of intangible asset amortization, $5.6 million of restructuring charges, $7.6 million of Latin America bad debt provision, $1.4 million of acquisition and integration costs and $9.6 million related to a settlement of pension obligation in the UK.

[8] In the first quarter of 2016, "Operating income" includes $9.7 million of intangible asset amortization and $2.2 million of acquisition and integration costs.