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Acquisitions - Allocated Preliminary Aggregate Purchase Price of Acquisitions (Detail) (Associated Insurance Agents (Member), USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Associated Insurance Agents (Member)
Recognized amounts of identifiable assets acquired and liabilities assumed:
Current assets	$ 346
Identifiable intangible assets	2,774
Accounts payable	(835)
Accrued liabilities	(389)
Deferred tax liability - non-current	(1,165)
Total identifiable net assets	731
Goodwill	7,915
Aggregate purchase price	$ 8,646

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at 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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