Note 10 - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
JBI [Member] | Operating Segments [Member]
Depreciation and amortization	$ 40,000	$ 36,400	$ 79,000	$ 71,500
DCS [Member] | Operating Segments [Member]
Depreciation and amortization	35,800	32,700	70,600	64,500
ICS [Member] | Operating Segments [Member]
Depreciation and amortization	100	300	200	600
JBT [Member] | Operating Segments [Member]
Depreciation and amortization	10,100	10,400	20,200	20,600
Corporate and Other [Member] | Operating Segments [Member]
Depreciation and amortization	4,400	3,900	8,700	7,800
Depreciation and amortization	$ 90,364	$ 83,661	$ 178,716	$ 165,038