General - Additional Information (Detail) (USD $)	0 Months Ended
Apr. 01, 2014	Jul. 17, 2013
Organization and Summary of Significant Accounting Policies Disclosure [Line Items]
Initial purchase price, subject to closing adjustments	$ 595,800,000
Ownership interest acquired		100.00%
Increase in assets	1,330,000,000
Increase in liabilities	$ 190,000,000

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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-Publisher FASB

-Name Accounting Standards Codification

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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 increase (decrease) during the reporting period in the aggregate amount of assets used to generate operating income.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Section 45

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The increase (decrease) during the reporting period in the aggregate amount of liabilities that result from activities that generate operating income.

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