Adjustments to Condensed Consolidating Statements of Cash Flows within Guarantor Financial Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations	$ 229,871	$ 193,853	$ 94,357
Cash Flows from Financing Activities of Continuing Operations:
Cash Flows from Financing Activities of Continuing Operations	232,598	(64,888)	(11,106)
Scenario, Adjustment | Consolidation, Eliminations
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations		(98,903)	(103,624)
Cash Flows from Financing Activities of Continuing Operations:
Intercompany dividends paid		98,903	103,624
Cash Flows from Financing Activities of Continuing Operations		98,903	103,624
Parent Company
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations	(132,459)	(178,782)	(107,279)
Cash Flows from Financing Activities of Continuing Operations:
Intercompany transactions	(141,614)	196,850	220,302
Cash Flows from Financing Activities of Continuing Operations	108,678	150,264	214,857
Parent Company | Scenario, Adjustment
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations		1,077	1,450
Cash Flows from Financing Activities of Continuing Operations:
Intercompany transactions		(1,077)	(1,450)
Cash Flows from Financing Activities of Continuing Operations		(1,077)	(1,450)
Guarantor Subsidiaries
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations	205,954	310,736	234,145
Cash Flows from Financing Activities of Continuing Operations:
Intercompany transactions	137,304	(177,900)	(227,222)
Intercompany dividends paid	(17,400)	(16,900)	(18,300)
Cash Flows from Financing Activities of Continuing Operations	105,102	(211,510)	(251,469)
Guarantor Subsidiaries | Scenario, Adjustment
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations		71,965	86,896
Cash Flows from Financing Activities of Continuing Operations:
Intercompany transactions		(55,065)	(68,596)
Intercompany dividends paid		(16,900)	(18,300)
Cash Flows from Financing Activities of Continuing Operations		(71,965)	(86,896)
Non-Guarantor Subsidiaries
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations	304,278	160,802	71,115
Cash Flows from Financing Activities of Continuing Operations:
Intercompany transactions	4,310	(18,950)	6,920
Intercompany dividends paid	(130,502)	(82,003)	(85,324)
Cash Flows from Financing Activities of Continuing Operations	(129,084)	(102,545)	(78,118)
Non-Guarantor Subsidiaries | Scenario, Adjustment
Condensed Cash Flow Statements Captions [Line Items]
Cash Flows from Operating Activities of Continuing Operations		25,861	15,278
Cash Flows from Financing Activities of Continuing Operations:
Intercompany transactions		56,142	70,046
Intercompany dividends paid		(82,003)	(85,324)
Cash Flows from Financing Activities of Continuing Operations		$ (25,861)	$ (15,278)