SEGMENT INFORMATION AND CONCENTRATION OF CREDIT RISK - (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 27, 2014		Jun. 28, 2014		Mar. 29, 2014		Dec. 31, 2013		Sep. 28, 2013		Jun. 29, 2013		Mar. 30, 2013		Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Net sales	$ 636.8		$ 642.9		$ 718.6		$ 547.8		$ 548.9		$ 589.2		$ 630.7		$ 519.1		$ 2,546.1		$ 2,287.9		$ 2,201.3
Operating earnings (loss)	29.1		33.4		(32.1)		12.5		10.4		32.5		40.4		4.6		42.9		87.9		127.6
Net interest expense																	(105.6)		(99.3)		(96.4)
Asset impairment charges	0		0		(80.4)		0		(4.3)		0		0		0		(80.4)		(4.3)		0
Interest expense																	(105.6)		(99.3)		(96.4)
Loss from debt retirement																	(2.3)		0		(6.4)
(Loss) earnings before (benefit) provision for income taxes																	(65.0)		(11.4)		24.8
Depreciation expense	11.6		11.2		10.5		9.9		12.0		9.8		9.8		9.0		43.2		40.6		38.5
Amortization expense	16.7	[1]	15.2	[1]	16.7	[1]	13.6	[1]	13.4	[1]	13.2	[1]	16.5	[1]	11.5	[1]	62.2		54.6		45.2
Capital Expenditures																	39.4	[2],[3]	43.9	[2],[3]	25.0	[2],[3]
Reznor [Member]
Segment Reporting Information [Line Items]
Net sales																	117.0
Operating earnings (loss)																	7.7
Phoenix [Member]
Segment Reporting Information [Line Items]
Net sales																	4.0
Operating earnings (loss)																	(1.6)
AQH [Member]
Segment Reporting Information [Line Items]
Asset impairment charges																			(4.3)
RCH [Member] | Building [Member]
Segment Reporting Information [Line Items]
Asset placed into service																	24.5
CAS [Member] | Building [Member]
Segment Reporting Information [Line Items]
Asset placed into service																	7.0
AVC [Member]
Segment Reporting Information [Line Items]
Asset impairment charges					(76.0)
Unallocated, net [Member]
Segment Reporting Information [Line Items]
Operating earnings (loss)																	(65.1)		(60.3)		(44.4)
Capital lease incurred																	0.5		0.1		0.9
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating earnings (loss)																	188.4		152.5		172.0
Operating Segments [Member] | AQH [Member]
Segment Reporting Information [Line Items]
Net sales																	595.1		600.5		598.3
Operating earnings (loss)																	67.6		67.4		73.3
Depreciation expense																	9.2		12.0		13.7
Amortization expense																	15.4	[4]	15.4	[4]	15.3	[4]
Capital Expenditures																	10.0		7.6		5.7
Inventory Allocation Adjustment																			0.2
Operating Segments [Member] | SCS [Member]
Segment Reporting Information [Line Items]
Net sales																	436.5		347.2		224.7
Operating earnings (loss)																	44.5		20.5		16.3
Depreciation expense																	4.1		4.6		2.1
Amortization expense																	13.2	[5]	13.5	[5]	3.7	[5]
Capital Expenditures																	2.9		6.6		2.8
Operating Segments [Member] | SCS [Member] | 2GIG [Member]
Segment Reporting Information [Line Items]
Inventory Allocation Adjustment																			3.1
Operating Segments [Member] | ERG [Member]
Segment Reporting Information [Line Items]
Net sales																	294.4		274.5		284.6
Operating earnings (loss)																	45.5		38.2		33.1
Depreciation expense																	4.6		4.8		5.3
Amortization expense																	12.9		12.9		12.1
Capital Expenditures																	3.6		3.5		4.5
Operating Segments [Member] | RCH [Member]
Segment Reporting Information [Line Items]
Net sales																	568.9		415.2		381.8
Operating earnings (loss)																	24.9		13.1		8.5
Depreciation expense																	12.2		9.0		8.9
Amortization expense																	11.4	[6]	0.8	[6]	1.7	[6]
Capital Expenditures																	7.2		6.1		1.4
Operating Segments [Member] | RCH [Member] | Reznor [Member]
Segment Reporting Information [Line Items]
Inventory Allocation Adjustment																	2.2
Operating Segments [Member] | RCH [Member] | Phoenix [Member]
Segment Reporting Information [Line Items]
Inventory Allocation Adjustment																					0.9
Operating Segments [Member] | CAS [Member]
Segment Reporting Information [Line Items]
Net sales																	488.6		470.8		513.9
Operating earnings (loss)																	25.1		26.2		42.9
Depreciation expense																	7.3		6.9		6.0
Amortization expense																	6.0		5.5		5.9
Capital Expenditures																	6.3		11.0		6.5
Operating Segments [Member] | AVC [Member]
Segment Reporting Information [Line Items]
Net sales																	162.6		179.7		198.0
Operating earnings (loss)																	(19.2)		(12.9)		(2.1)
Depreciation expense																	3.3		2.2		2.3
Amortization expense																	3.3		6.5		6.5
Capital Expenditures																	1.8		3.9		1.4
Operating Segments [Member] | Unallocated, net [Member]
Segment Reporting Information [Line Items]
Depreciation expense																	2.5		1.1		0.2
Amortization expense																	0		0		0
Capital Expenditures																	7.6		5.2		2.7
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales																	$ 16.0		$ 18.7		$ 20.9

[1] Includes increases to cost of goods sold for inventory acquired in business combinations.

[2] Does not include the addition of approximately $24.5 million and $7.0 million related to the 2013 construction in progress of new facilities in Mexico for the RCH and CAS segments, respectively. See Note 6, “Commitments and Contingencies”.

[3] Includes capital expenditures financed under capital leases of approximately $0.5 million, $0.1 million and $0.9 million for 2014, 2013 and 2012, respectively.

[4] Includes an increase to cost of goods sold for inventory acquired in business combinations of approximately $0.2 million for 2013.

[5] Includes an increase to cost of goods sold for inventory acquired in business combinations of approximately $3.1 million (related to the acquisition of 2GIG) for 2013.

[6] Includes an increase to cost of goods sold for inventory acquired in business combinations of approximately $2.2 million (related to the acquisitions of Reznor and Phoenix) and $0.9 million for 2014 and 2012, respectively.