Note 3 - Acquisitions (Tables)

9 Months Ended

Sep. 30, 2015

Note 3 - Acquisitions (Tables) [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]

	Three months ended September 30,				Nine months ended September 30,
	2014		2015		2014		2015
	(In thousands, except per share data)
Pro forma revenues	$	207,701	$	206,080	$	605,755	$	614,306
Pro forma net income		3,282		7,152		7,116		1,367
Pro forma income per share: Basic	$	0.08	$	0.17	$	0.19	$	0.03
Pro forma income per share: Diluted	$	0.08	$	0.17	$	0.17	$	0.03

2014 Acquisitions [Member]

Note 3 - Acquisitions (Tables) [Line Items]

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2014			Adjustments/ reclassifications			Preliminary purchase price allocation September 30, 2015
Equipment and leasehold improvements		886			—			886
Customer relationships		50,216			—			50,216
Tradenames		10,342			—			10,342
Covenants not to compete		590			—			590
Technology		1,870			—			1,870
Goodwill		136,034			470			136,504
Net deferred tax liability associated with step-up in book basis		(9,041	)		—			(9,041	)
Assets acquired and liabilities assumed, net		3,785			(379	)		3,406
Totals		194,682			91			194,773

2015 Acquisitions [Member]

Note 3 - Acquisitions (Tables) [Line Items]

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation September 30, 2015
Equipment and leasehold improvements	$	79
Customer relationships		4,465
Tradename		1,065
Covenants not to compete		182
Goodwill		5,208
Assets acquired and liabilities assumed, net		904
Total	$	11,903