Note 1 - Nature of Operations and Basis of Presentation (Details) - Jun. 30, 2015	Total	Total
Disclosure Text Block [Abstract]
Number of Businesses Acquired	51	52
Number of Service Centers	66	66
Number of States in which Entity Operates	50	50

The number of states the entity operates in as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant