Segment Information and Concentration of Risk - Segment Operating Results (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Segment Reporting Information [Line Items]
Net sales	$ 703.9	$ 718.6	$ 1,276.6	$ 1,266.4
Operating earnings (loss)	34.7	(32.1)	42.4	(19.6)
Impairment of long-lived assets and goodwill	(1.2)	(80.4)	(1.2)	(80.4)
Net interest expense	(24.9)	(26.6)	(52.1)	(50.7)
Loss from debt retirement	(14.8)	(1.8)	(14.8)	(1.8)
Loss before benefit from income taxes	(5.0)	(60.5)	(24.5)	(72.1)
AVC
Segment Reporting Information [Line Items]
Impairment of long-lived assets and goodwill		(80.4)
Operating Segments
Segment Reporting Information [Line Items]
Operating earnings (loss)	48.2	66.9	69.0	94.7
Operating Segments | AQH
Segment Reporting Information [Line Items]
Net sales	151.8	151.5	290.1	292.3
Operating earnings (loss)	19.4	17.3	32.8	26.9
Operating Segments | SCS
Segment Reporting Information [Line Items]
Net sales	145.1	161.5	241.6	246.8
Operating earnings (loss)	18.5	22.0	23.1	23.1
Operating Segments | ERG
Segment Reporting Information [Line Items]
Net sales	85.8	69.3	156.6	130.9
Operating earnings (loss)	15.4	11.6	23.4	19.1
Operating Segments | RCH
Segment Reporting Information [Line Items]
Net sales	169.9	169.2	303.2	281.2
Operating earnings (loss)	(2.1)	9.4	(7.8)	11.7
Operating Segments | CAS
Segment Reporting Information [Line Items]
Net sales	115.3	130.1	216.6	242.3
Operating earnings (loss)	1.1	14.7	4.0	26.7
Operating Segments | AVC
Segment Reporting Information [Line Items]
Net sales	36.0	37.0	68.5	72.9
Operating earnings (loss)	(4.1)	(8.1)	(6.5)	(12.8)
Unallocated Amount to Segment
Segment Reporting Information [Line Items]
Operating earnings (loss)	(12.3)	(18.6)	(25.4)	(33.9)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	$ 3.1	$ 4.7	$ 6.1	$ 8.2