Note 3 - Acquisitions (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

	Aggregate Acquisitions
Current assets	$	16,643
Non-current assets		3,719
Current liabilities		(18,556	)
Long-term liabilities		(4,207	)
Non-controlling interests		(25	)
	$	(2,427	)
Cash consideration, net of cash acquired of $10,067		(82,073	)
Acquisition date fair value of contingent consideration		(12,056	)
Total purchase consideration	$	(94,129	)
Acquired intangible assets	$	43,602
Goodwill	$	52,954

	Aggregate Acquisitions
Current assets	$	10,649
Non-current assets		2,407
Current liabilities		(13,264	)
Long-term liabilities		(1,605	)
Redeemable non-controlling interest		(13,284	)
	$	(15,097	)
Cash consideration, net of cash acquired of $5,873		(44,108	)
Acquisition date fair value of contingent consideration		(14,566	)
Total purchase consideration	$	(58,674	)
Acquired intangible assets	$	30,398
Goodwill	$	43,373

	Aggregate Acquisitions
Current assets	$	35,003
Non-current assets		6,705
Current liabilities		(44,880	)
Long-term liabilities		(9,734	)
Redeemable non-controlling interest		(17,700	)
Non-controlling interests		(255	)
	$	(30,861	)
Note consideration	$	(3,171	)
Cash consideration, net of cash acquired of $11,427		(91,559	)
Acquisition date fair value of contingent consideration		(13,339	)
Total purchase consideration	$	(108,069	)
Acquired intangible assets	$	39,369
Goodwill	$	99,561

Business Acquisition, Pro Forma Information [Table Text Block]

	Revenues		Net earnings from continuing operations
Actual from acquired entities for 2016	$	72,702	$	1,939
Supplemental pro forma for 2016 (unaudited)		1,926,462		94,152
Supplemental pro forma for 2015 (unaudited)		1,902,724		52,762