Employee Benefit Plans (Weighted-Average Actuarial Assumptions Used to Determine Benefit Obligations) (Detail)	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plans, Discount rate	4.97%	4.18%
Unfunded Supplemental Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plans, Discount rate	4.80%	3.91%