Summary of Restructuring and Other Charges Activity by Segment (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2012		Dec. 30, 2011		Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 17.7		$ 10.8
Restructuring Expense	119.0		20.3		9.5
Cash Payments	(36.3)		(11.7)
Other Activities	(78.5)	[1]	(1.7)	[1]
Ending Balance	21.9		17.7		10.8
2012 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Expense	118.2
Cash Payments	(23.7)
Other Activities	(77.7)	[1]
Ending Balance	16.8
2012 Restructuring Plan | Optical Segment
Restructuring Cost and Reserve [Line Items]
Restructuring Expense	7.0
Cash Payments	(2.2)
Other Activities	(0.9)	[1]
Ending Balance	3.9
2012 Restructuring Plan | Data segment
Restructuring Cost and Reserve [Line Items]
Restructuring Expense	103.8
Cash Payments	(18.6)
Other Activities	(76.6)	[1]
Ending Balance	8.6
2012 Restructuring Plan | Access segment
Restructuring Cost and Reserve [Line Items]
Restructuring Expense	2.4
Cash Payments	(0.7)
Other Activities	(0.2)	[1]
Ending Balance	1.5
2012 Restructuring Plan | Services segment
Restructuring Cost and Reserve [Line Items]
Restructuring Expense	5.0
Cash Payments	(2.2)
Ending Balance	2.8
2011 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Beginning Balance	12.6
Restructuring Expense	1.5		19.7
Cash Payments	(10.7)		(5.6)
Other Activities	(0.8)	[1]	(1.5)	[1]
Ending Balance	2.6		12.6
2011 Restructuring Plan | Optical Segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	4.4
Restructuring Expense	1.7		6.8
Cash Payments	(5.1)		(1.5)
Other Activities	(0.6)	[1]	(0.9)	[1]
Ending Balance	0.4		4.4
2011 Restructuring Plan | Data segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	5.5
Restructuring Expense			7.2
Cash Payments	(3.4)		(1.3)
Other Activities	(0.2)	[1]	(0.4)	[1]
Ending Balance	1.9		5.5
2011 Restructuring Plan | Access segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1.1
Restructuring Expense	0.1		1.7
Cash Payments	(0.9)		(0.5)
Other Activities			(0.1)	[1]
Ending Balance	0.3		1.1
2011 Restructuring Plan | Services segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1.6
Restructuring Expense	(0.3)		4.0
Cash Payments	(1.3)		(2.3)
Other Activities			(0.1)	[1]
Ending Balance			1.6
Previous Restructuring Plans
Restructuring Cost and Reserve [Line Items]
Beginning Balance	5.1
Restructuring Expense	(0.7)
Cash Payments	(1.9)
Ending Balance	2.5
Previous Restructuring Plans | Optical Segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0.4
Restructuring Expense	(0.1)
Cash Payments	(0.1)
Ending Balance	0.2
Previous Restructuring Plans | Data segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1.9
Cash Payments	(0.7)
Ending Balance	1.2
Previous Restructuring Plans | Access segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	2.6
Restructuring Expense	(0.6)
Cash Payments	(0.9)
Ending Balance	1.1
Previous Restructuring Plans | Services segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0.2
Cash Payments	(0.2)
2010 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Beginning Balance			2.4
Restructuring Expense			0.8
Cash Payments			(2.9)
Ending Balance			0.3
2010 Restructuring Plan | Optical Segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance			1.1
Restructuring Expense			0.2
Cash Payments			(1.2)
Ending Balance			0.1
2010 Restructuring Plan | Data segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance			0.8
Restructuring Expense			0.4
Cash Payments			(1.1)
Ending Balance			0.1
2010 Restructuring Plan | Access segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance			0.5
Cash Payments			(0.4)
Ending Balance			0.1
2010 Restructuring Plan | Services segment
Restructuring Cost and Reserve [Line Items]
Restructuring Expense			0.2
Cash Payments			(0.2)
Previous Restructuring Plans
Restructuring Cost and Reserve [Line Items]
Beginning Balance			8.4
Restructuring Expense			(0.2)
Cash Payments			(3.2)
Other Activities			(0.2)	[1]
Ending Balance			4.8
Previous Restructuring Plans | Optical Segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance			1.8
Restructuring Expense			(1.1)
Cash Payments			(0.4)
Ending Balance			0.3
Previous Restructuring Plans | Data segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance			2.9
Restructuring Expense			(0.4)
Cash Payments			(0.6)
Other Activities			(0.1)	[1]
Ending Balance			1.8
Previous Restructuring Plans | Access segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance			3.2
Restructuring Expense			0.8
Cash Payments			(1.4)
Other Activities			(0.1)	[1]
Ending Balance			2.5
Previous Restructuring Plans | Services segment
Restructuring Cost and Reserve [Line Items]
Beginning Balance			0.5
Restructuring Expense			0.5
Cash Payments			(0.8)
Ending Balance			$ 0.2

[1] Other activities include accelerated amortization related to abandoned intangible assets, accelerated depreciation of property, plant and equipment to be disposed, the effects of currency translation as well as other changes that do not flow through restructuring expense.