Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013 extension	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2013
Loss Contingencies [Line Items]
Contractual Obligation, Number of Optional Extensions	2
Contractual Obligation, Optional Extension, Period	1 year
Contractual commitment to outsource information technology operations, notice period	180 days
Fixed and determinable portion of remaining obligations in 2013	$ 37,100,000
Fixed and determinable portion of remaining obligations in 2014	36,700,000
long term purchase commitment year three	36,600,000
LongTermPurchaseCommittmentYearFour	30,400,000
Technology service costs	45,700,000	52,500,000	48,400,000
Maximum penalty to be incurred for non-fulfillment of commitment	1,000,000
Leases renewal options (in years)	5 years
Rent expense for operating leases	76,700,000	60,900,000	56,300,000
Contractual obligations, repayment term	36 months
Total contingent obligations due if contractual performance targets are not achieved	2,300,000
Total contingent obligations due in 2014 if contractual performance targets are not achieved	1,100,000
Total contingent obligations due in 2015 if contractual performance targets are not achieved	300,000
Loss Contingency Possible Range Of Loss Maximum Year Three	900,000
Deferred revenue related to outstanding contractual performance targets	900,000
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	$ 800,000	$ 800,000		$ 4,300,000
Audit reimbursement period (in years), maximum	7 years
Movianto
Loss Contingencies [Line Items]
Contractual obligations, notice period	30 days
Maximum | Movianto
Loss Contingencies [Line Items]
Contractual obligations, repayment term	24 months
Maximum | Office And Warehouse Facilities
Loss Contingencies [Line Items]
Terms of lease (in years)	20 years
Maximum | Transportation And Material Handling Equipment
Loss Contingencies [Line Items]
Terms of lease (in years)	10 years
Minimum | Movianto
Loss Contingencies [Line Items]
Contractual obligations, repayment term	6 months
Minimum | Office And Warehouse Facilities
Loss Contingencies [Line Items]
Terms of lease (in years)	1 year
Minimum | Transportation And Material Handling Equipment
Loss Contingencies [Line Items]
Terms of lease (in years)	3 years