Summary of Net Assets Acquired (Detail) (USD $) In Thousands, unless otherwise specified	Nov. 01, 2012
Assets acquired:
Investments	$ 591,947
Cash	27,323
Value of insurance purchased	175,257
Goodwill	44,700
Other assets	45,573
Total assets	884,800
Liabilities assumed:
Policy liabilities	643,306
Other liabilities	7,747
Total liabilities	651,053
Total net assets acquired	$ 233,747

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The amount of acquisition cost of a business combination allocated to assets acquired.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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The amount of cash and cash equivalents acquired in a business combination.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

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