Schedule of Finite and Indefinite-lived Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Goodwill [Line Items]
Total gross finite-lived intangible assets	$ 72,113	$ 68,687
Accumulated amortization	(21,022)	(16,524)
Total net finite-lived intangible assets	51,091	52,163
Total	74,591	75,663
Trade names
Goodwill [Line Items]
Tradenames (indefinite-lived)	23,500	23,500
Technology
Goodwill [Line Items]
Total gross finite-lived intangible assets	31,900	31,900
Customer relationships
Goodwill [Line Items]
Total gross finite-lived intangible assets	17,013	16,869
Loan acquisition costs
Goodwill [Line Items]
Total gross finite-lived intangible assets	19,472	19,472
Other intangibles, principally patents
Goodwill [Line Items]
Total gross finite-lived intangible assets	$ 3,728	$ 446