Note 4 - Goodwill and Intangible Assets (Details) - Other Intangible Assets, Net, by Major Class (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 28, 2014	Dec. 31, 2013
Note 4 - Goodwill and Intangible Assets (Details) - Other Intangible Assets, Net, by Major Class [Line Items]
Other intangible assets	$ 56,878	$ 31,251
Less: accumulated amortization	(8,676)	(5,640)
Other intangible assets, net	48,202	25,611
Customer Relationships [Member]
Note 4 - Goodwill and Intangible Assets (Details) - Other Intangible Assets, Net, by Major Class [Line Items]
Other intangible assets	42,258	23,668
Weighted average useful life	11 years	11 years
Noncompete Agreements [Member]
Note 4 - Goodwill and Intangible Assets (Details) - Other Intangible Assets, Net, by Major Class [Line Items]
Other intangible assets	5,895	3,417
Weighted average useful life	3 years	3 years
Trademarks [Member]
Note 4 - Goodwill and Intangible Assets (Details) - Other Intangible Assets, Net, by Major Class [Line Items]
Other intangible assets	$ 8,725	$ 4,166