The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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-Publisher FASB
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-Subparagraph a(1)
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The aggregate cost of a major indefinite-lived intangible asset class acquired, during the period, either individually or as part of a group of assets (in either an asset acquisition or business combination).

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Amount of cash paid to acquire the entity.

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
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Fair value of noncash consideration given by the acquirer to acquire the entity. Does not include cash paid, the fair value of debt and securities issued and liabilities incurred to acquire the entity.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 18
-Subparagraph f
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher AICPA
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-Paragraph 20
-Subparagraph a (1)
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The average useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Business acquisition purchase price allocation amortizable and non amortizable intangible assets.

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Business Acquisition, Purchase Price Allocation, Goodwill and Intangible Assets

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Goodwill, Period Available for Tax Deductions

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Number Of Locations Contributed To Joint Venture By Controlling Interest

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Number of Locations Contributed To Joint Venture by Noncontrolling Interest

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Acquisitions (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended						6 Months Ended
	Apr. 29, 2011	Jun. 30, 2011	Jun. 30, 2011 Noncontrolling Interest [Member]	Apr. 29, 2011 Noncontrolling Interest [Member]	Apr. 29, 2011 Difference between fair value and carrying value [Member]	Apr. 30, 2010 Tennessee [Member]	Jun. 30, 2011 Customer Relationships [Member]	Apr. 29, 2011 Customer Relationships [Member]	Apr. 29, 2011 Trade Names and Distribution Rights [Member] Carrier Enterprise Northeast [Member]	Jun. 30, 2011 Carrier Enterprise Northeast [Member]	Apr. 29, 2011 Carrier Enterprise Northeast [Member]	Jun. 30, 2011 Carrier [Member]	Apr. 29, 2011 Carrier [Member]
Locations contributed to joint venture by noncontrolling interest													28
Locations contributed to joint venture by controlling interest	14
Controlling Interest in Carrier Enterprise Northeast, LLC		60.00%								60.00%		60.00%
Consideration for contribution of 14 locations in joint venture		$ 14,769	$ 7,708	$ 7,708	$ 7,061
Cash consideration						2,406					35,700
Goodwill and intangibles, purchase price allocation											32,957
Identified intangible assets											20,600
Identified intangible assets, trade names and distribution rights									13,400
Identified intangible assets, customer relationships								7,200
Finite-lived intangible assets, average useful life							12
Period available for tax deductions (in years)	15
Purchase price											$ 49,229
Ownership percentage by noncontrolling owners	40.00%	40.00%