Restructuring Activities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 24, 2013	May 25, 2012
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning of period	$ 11.1
Restructuring costs	4.4	5.1
Restructuring reserve, settled with cash	(4.1)
Restructuring reserve, accrual adjustment	(0.3)
Restructuring reserve, end of period	11.1
Cost of Sales [Member]
Restructuring Reserve [Roll Forward]
Restructuring costs	0.2	5.1
Operating Expense [Member]
Restructuring Reserve [Roll Forward]
Restructuring costs	4.2	0
Q1 2014 France SG&A Reorg [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	5
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning of period	7.8
Restructuring costs	3.0
Restructuring reserve, settled with cash	3.3
Restructuring reserve, accrual adjustment	(0.3)
Restructuring reserve, end of period	7.2
Employee Severance [Member] | Q1 2014 France SG&A Reorg [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	4
Restructuring Reserve [Roll Forward]
Restructuring costs	1.8
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning of period	3.3
Restructuring costs	1.4
Restructuring reserve, settled with cash	0.8
Restructuring reserve, accrual adjustment	0
Restructuring reserve, end of period	3.9
Other Restructuring [Member] | Q1 2014 France SG&A Reorg [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	1
Restructuring Reserve [Roll Forward]
Restructuring costs	0.3
Other Restructuring [Member] | PolyVision Technology SES Integration Plan Announced Q2 2013 [Member]
Restructuring Reserve [Roll Forward]
Restructuring costs	0.9
Americas [Member] | Cost of Sales [Member]
Restructuring Reserve [Roll Forward]
Restructuring costs	0.2	4.8
Americas [Member] | Operating Expense [Member]
Restructuring Reserve [Roll Forward]
Restructuring costs	1.0	0
EMEA [Member] | Cost of Sales [Member]
Restructuring Reserve [Roll Forward]
Restructuring costs	0	0.3
EMEA [Member] | Operating Expense [Member]
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 3.2	$ 0