XML 63 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9
RESTRUCTURING COSTS (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]        
Restructuring costs $ 743,000us-gaap_RestructuringCharges $ 3,506,000us-gaap_RestructuringCharges $ 612,000us-gaap_RestructuringCharges  
Payments for restructuring expenses 1,916,000us-gaap_PaymentsForRestructuring 2,469,000us-gaap_PaymentsForRestructuring 3,213,000us-gaap_PaymentsForRestructuring  
Restructuring reserve 958,000us-gaap_RestructuringReserve 2,181,000us-gaap_RestructuringReserve 1,156,000us-gaap_RestructuringReserve 3,697,000us-gaap_RestructuringReserve
2014 Realignment        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs 700,000us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= pgi_Realignment2014Member
     
Approximate number of positions eliminated 15us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
/ us-gaap_RestructuringPlanAxis
= pgi_Realignment2014Member
     
Restructuring reserve 600,000us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= pgi_Realignment2014Member
     
Period in which reserves will be paid (in years) 1 year      
2014 Realignment | North America        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 100,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_Realignment2014Member
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_NorthAmericaMember
     
2014 Realignment | Europe        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 600,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_Realignment2014Member
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EuropeMember
     
2013 Realignment        
Restructuring Cost and Reserve [Line Items]        
Approximate number of positions eliminated   60us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember
   
Restructuring reserve 300,000us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember
     
Period in which reserves will be paid (in years) 1 year      
2013 Realignment | North America        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 1,300,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_NorthAmericaMember
     
2013 Realignment | Europe        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 2,000,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EuropeMember
     
2013 Realignment | Asia Pacific        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 200,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AsiaPacificMember
     
2012 Realignment        
Restructuring Cost and Reserve [Line Items]        
Approximate number of positions eliminated     50us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
/ us-gaap_RestructuringPlanAxis
= pgi_TwoZeroOneTwoRealignmentMember
 
Restructuring reserve     0us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= pgi_TwoZeroOneTwoRealignmentMember
 
2012 Realignment | North America        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 1,000,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_TwoZeroOneTwoRealignmentMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_NorthAmericaMember
     
2012 Realignment | Europe        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 600,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_TwoZeroOneTwoRealignmentMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EuropeMember
     
2012 Realignment | Asia Pacific        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 400,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringPlanAxis
= pgi_TwoZeroOneTwoRealignmentMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AsiaPacificMember
     
Severance Costs | 2014 Realignment        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 600,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= pgi_Realignment2014Member
     
Severance Costs | 2013 Realignment        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 3,300,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember
     
Restructuring adjustments 100,000us-gaap_RestructuringReserveAccrualAdjustment
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember
     
Severance Costs | 2012 Realignment        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 2,000,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
/ us-gaap_RestructuringPlanAxis
= pgi_TwoZeroOneTwoRealignmentMember
     
Contract Termination Costs | 2014 Realignment        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date 100,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_ContractTerminationMember
/ us-gaap_RestructuringPlanAxis
= pgi_Realignment2014Member
     
Contract Termination Costs | 2013 Realignment        
Restructuring Cost and Reserve [Line Items]        
Restructuring expense to date $ 200,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_ContractTerminationMember
/ us-gaap_RestructuringPlanAxis
= pgi_A2013RealignmentMember