Commitments And Contingencies (Other Contingencies) (Detail) (USD $)	3 Months Ended			3 Months Ended					12 Months Ended		12 Months Ended	0 Months Ended
	Jun. 30, 2014	Dec. 31, 2013 Homeowner	Apr. 15, 2011 Homeowner	Dec. 31, 2011 Environmental Claims For A Site In Goodyear Arizona	Dec. 31, 2008 Environmental Claims For A Site In Goodyear Arizona	Jun. 30, 2014 Environmental Claims For A Site In Goodyear Arizona	Dec. 31, 2007 Environmental Claims For A Site In Goodyear Arizona	Jul. 31, 2006 Environmental Claims For A Site In Goodyear Arizona	Dec. 31, 2013 Environmental Claims For Crab Orchard National Wildlife Refuge Superfund Site	Dec. 31, 2012 Environmental Claims For Crab Orchard National Wildlife Refuge Superfund Site acre	Dec. 31, 2011 Environmental Claims For Site In Roseland New Jersey Home Homeowner	Aug. 08, 2014 Subsequent Event [Member] Environmental Claims For Site In Roseland New Jersey
Loss Contingencies [Line Items]
Estimated liability					$ 65,200,000	$ 24,800,000	$ 41,500,000
Amount of additional remediation activities				30,300,000	24,300,000
Accrued environmental loss contingencies current						12,200,000
Loss contingency reimbursement rate								21.00%
Other receivables						6,000,000
Approximate size of referenced site, acres										55,000
Approximate number of homes tested for contaminants											40
Number of Homes Where Contaminants Were Found											3
Homeowners Filing Suits Against Company		139	3
Homes Suing Company Where Vapor Mitigation Equipment Was Installed		3
Loss Contingency, Damages Paid, Value												6,500,000
Number Of Tenants Who Filed Separate Lawsuit			1
Number of members in the purported class											138
Airplane operating lease period, years	5 years
Fair value of residual value guarantee	7,800,000
amount paid into escrow									166,667
Fair Value Of Residual Value Guarantee, Fair Value of Operating Lease Asset Threshold	$ 9,500,000