Goodwill and Other Intangible Assets - Goodwill (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 01, 2012
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 47,077	[1],[2]
Translation adjustments	(198)
Goodwill, end of period	46,879
Americas [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	35,990	[2]
Translation adjustments	0
Goodwill, end of period	35,990
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	11,087	[2]
Translation adjustments	(198)
Goodwill, end of period	10,889
APAC [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	0	[2]
Translation adjustments	0
Goodwill, end of period	$ 0

[1] As adjusted to reflect the balances of Tenesol S.A. ("Tenesol") beginning October 10, 2011, as required under the accounting guidelines for a transfer of an entity under common control (see Note 3).

[2] As adjusted to reflect the balances of Tenesol beginning October 10, 2011, as required under the accounting guidelines for a transfer of an entity under common control (see Note 3).