Restructuring and Other Charges (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Cadence's Restructuring Plans
Beginning Balance	$ 5,027	$ 15,071	$ 25,452
Restructuring and other charges (credits), net	113	360	10,152
Non-cash charges		137	(3,471)
Cash payments	(923)	(10,604)	(16,310)
Effect of foreign currency translation	126	63	(752)
Ending Balance	4,343	5,027	15,071
Restructuring and Other Charges (Textual) [Abstract]
Maximum Amount of estimated lease losses based on changes in assumptions	7,100
Severance and Benefits [Member]
Cadence's Restructuring Plans
Beginning Balance	46	9,198	18,925
Restructuring and other charges (credits), net	(29)	(944)	5,147
Non-cash charges		0	0
Cash payments	(17)	(8,385)	(14,421)
Effect of foreign currency translation	0	177	(453)
Ending Balance	0	46	9,198
Excess Facilities [Member]
Cadence's Restructuring Plans
Beginning Balance	4,976	5,868	6,522
Restructuring and other charges (credits), net	147	1,304	1,227
Non-cash charges		137	307
Cash payments	(906)	(2,219)	(1,889)
Effect of foreign currency translation	126	(114)	(299)
Ending Balance	4,343	4,976	5,868
Other [Member]
Cadence's Restructuring Plans
Beginning Balance	5	5	5
Restructuring and other charges (credits), net	(5)	0	3,778
Non-cash charges		0	(3,778)
Cash payments	0	0	0
Effect of foreign currency translation	0	0	0
Ending Balance	$ 0	$ 5	$ 5