Income Taxes (Narrative) (Details) (USD $)	12 Months Ended						12 Months Ended								12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009	Dec. 30, 2012 Foreign Country [Member]	Dec. 30, 2012 Federal [Member]	Dec. 30, 2012 State And Local Jurisdiction [Member]	Dec. 30, 2012 IRC 382 Limitations [Member]	Dec. 26, 2010 Jurisdiction One [Member]	Dec. 26, 2010 Jurisdiction Two [Member]	Sep. 25, 2011 Domestic [Member]	Dec. 30, 2012 Shore To Shore Businesses [Member]	Dec. 25, 2011 Shore To Shore Businesses [Member]	Dec. 30, 2012 NETHERLANDS	Dec. 30, 2012 Maximum [Member] Germany [Member]	Dec. 30, 2012 Maximum [Member] Finland [Member]	Dec. 30, 2012 Maximum [Member] INDIA	Dec. 30, 2012 Minimum [Member] Germany [Member]	Dec. 30, 2012 Minimum [Member] Finland [Member]	Dec. 30, 2012 Minimum [Member] INDIA
Income Taxes [Line Items]
Net operating loss carryforwards in non-U.S. jurisdictions					$ 35,900,000
Operating loss carryforwards, with no expiration					25,400,000
Operating loss carryforwards, with expiration					10,500,000
Operating loss carryforwards						5,700,000	6,700,000	5,300,000
Operating loss carryforwards, expiration date	2022						2032
(Gross) windfall benefit on stock based compensation	0	1,100,000	3,500,000
Foreign tax credit carryforward	16,600,000
Tax credit carryforward expiration date start range	2016
Tax credit carryforward expiration date end range	2022
Net deferred tax assets	17,930,000	11,696,000							41,700,000	9,600,000				300,000
Valuation allowance	104,514,000	102,148,000									48,000,000
Deferred tax liabilities	11,954,000	13,223,000										3,100,000	3,000,000
Liability related to uncertain tax position	16,335,000	15,850,000	12,846,000	14,884,000								7,100,000	3,100,000
Unremitted foreign earnings	4,000,000
Unremitted earnings	3,081,000	2,365,000
Unrecognized tax benefit, if recognized, would affect the effective tax rate	16,300,000	15,900,000
Interest and penalties expense	(300,000)	1,000,000	(2,800,000)
Accrued interest and penalties related to unrecognized tax benefits	4,300,000	4,600,000
Expected change of gross unrecognized tax benefits, minimum	5,000,000
Expected change of gross unrecognized tax benefits, maximum	$ 3,400,000
Open tax years currently under audit															2009	2009	2012	2006	2008	2008