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Company's Demand Deposits and Temporary Cash Investments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Concentration Risk [Line Items]
Deposits in FDIC and SIPC-insured institutions under insurance limits	$ 369	$ 270
Deposits in FDIC and SIPC-insured institutions over insurance limits	269,314	161,195
Deposits in foreign banks	20,921	22,511
Total Cash and cash equivalents., Total	290,604	183,976
Less outstanding checks and other reconciling items	(41,095)	(73,253)
Cash and cash equivalents	$ 249,509	$ 110,723	$ 23,946	$ 27,612

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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