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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2012
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Goodwill	$ 369,312,000us-gaap_Goodwill	$ 495,679,000us-gaap_Goodwill	$ 370,143,000us-gaap_Goodwill
Scenario, Previously Reported [Member] \| Customer Relationships [Member] \| 2013 Acquisitions [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Intangible assets	3,141,000
Scenario, Previously Reported [Member] \| Trade Names [Member] \| 2013 Acquisitions [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Intangible assets	710,000
Scenario, Previously Reported [Member] \| 2013 Acquisitions [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Equipment and leasehold improvements	130,000
Goodwill	3,024,000
Assets acquired and liabilities assumed, net	688,000
Totals	7,693,000
Scenario, Adjustment [Member] \| 2013 Acquisitions [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Goodwill	(309,000)
Assets acquired and liabilities assumed, net	(64,000)
Totals	(373,000)
Customer Relationships [Member] \| 2013 Acquisitions [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Intangible assets		3,141,000
Trade Names [Member] \| 2013 Acquisitions [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Intangible assets		710,000
2013 Acquisitions [Member]
Note 3 - Acquisitions (Details) - Preliminary Allocation of Purchase Price, 2013 [Line Items]
Equipment and leasehold improvements		130,000
Goodwill		2,715,000
Assets acquired and liabilities assumed, net		624,000
Totals		$ 7,320,000