Income Taxes (Schedule Of Net Deferred Tax Assets (Liabilities) By Jurisdiction) (Details) (USD $) In Millions, unless otherwise specified	Dec. 25, 2011	Dec. 26, 2010
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	$ 5.8	$ (4.3)
U.S. [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	(23.9)	(23.3)
Europe [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	0.6	0.9
Japan [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	0.8	0.8
China [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	8.0	5.1
Hong Kong [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	2.3	1.9
Malaysia [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	(1.9)	(5.6)
Singapore [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	0.1	0.1
Korea [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	20.6	17.5
Taiwan [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	(0.1)	(2.0)
Sweden [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	(1.3)
Foreign-Other [Member]
Deferred Tax Assets and Liabilities [Line Items]
Net deferred tax assets (liabilities)	$ 0.6	$ 0.3