Financing Arrangements (Details) (USD $) | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Jul. 31, 2014 | Oct. 24, 2014 | Oct. 24, 2014 | Oct. 24, 2014 | Oct. 24, 2014 | Oct. 24, 2014 | Oct. 23, 2014 | Oct. 24, 2014 | Mar. 23, 2012 | Nov. 05, 2003 | Mar. 23, 2012 | Mar. 23, 2012 | Mar. 23, 2012 | Mar. 23, 2012 | Mar. 23, 2012 | Mar. 23, 2012 | Mar. 23, 2012 | Mar. 23, 2012 |
Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Term Loan [Member] | Term Loan [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | The Amended Credit Agreement [Member] | Amendment No. 1 to the Amended Credit Agreement [Member] | Amendment No. 1 to the Amended Credit Agreement [Member] | Amendment No. 1 to the Amended Credit Agreement [Member] | Amendment No. 1 to the Amended Credit Agreement [Member] | Amendment No. 1 to the Amended Credit Agreement [Member] | Amendment No. 1 to the Amended Credit Agreement [Member] | Amendment No. 1 to the Amended Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] | Prior Credit Agreement [Member] |
| | | | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Revolving Credit Facility, European Sub-Limit [Member] | Term Loan [Member] | LIBOR [Member] | LIBOR [Member] | LIBOR [Member] | LIBOR [Member] | Prime lending rate [Member] | Prime lending rate [Member] | Prime lending rate [Member] | Prime lending rate [Member] | Canadian deposit offered rate [Member] | Canadian deposit offered rate [Member] | Canadian prime lending rate [Member] | Canadian prime lending rate [Member] | US base rate [Member] | US base rate [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Revolving Credit Facility, European Sub-Limit [Member] | Term Loan [Member] | Term Loan [Member] | LIBOR [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Term Loan [Member] | Term Loan [Member] | LIBOR [Member] | LIBOR [Member] | LIBOR [Member] | Prime lending rate [Member] | Prime lending rate [Member] | Prime lending rate [Member] |
| | | | | | | | | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Term Loan [Member] | Term Loan [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Term Loan [Member] | Term Loan [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Revolving Credit Facility, Canadian Sub-Limit [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] | | | | | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Term Loan [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Term Loan [Member] |
| | | | | | | | | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | | | | | | | Subsequent Event [Member] | | | | | Minimum [Member] | Maximum [Member] | | Minimum [Member] | Maximum [Member] | |
Line of Credit Facility [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Maximum borrowing capacity | ' | ' | ' | ' | ' | ' | ' | $230,000,000 | $15,000,000 | $10,000,000 | $16,100,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $250,000,000 | $25,000,000 | $25,000,000 | $35,000,000 | ' | ' | $220,000,000 | $200,000,000 | ' | $25,000,000 | ' | ' | ' | ' | ' | ' |
Carrying amount | 380,100,000 | 383,600,000 | 110,400,000 | 111,000,000 | 16,100,000 | 18,700,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Maximum borrowing capacity, potential increase | ' | ' | ' | ' | ' | ' | ' | 25,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Basis spread on variable interest rate - plus (minus) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1.50% | 2.50% | 2.00% | 3.00% | -0.25% | -1.25% | -0.75% | 0.25% | 1.50% | 2.50% | 0.00% | 1.00% | 0.00% | 1.00% | ' | ' | ' | ' | ' | ' | 3.50% | ' | ' | ' | ' | 1.75% | 2.75% | 2.75% | -0.25% | -1.00% | 0.25% |
Term of debt instrument | ' | ' | ' | ' | ' | ' | '7 years | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '7 years | ' | ' | ' | ' | ' | ' | ' |
Option to increase availability | ' | ' | ' | ' | ' | ' | ' | 50,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Inventory advance rate percentage | ' | ' | ' | ' | ' | ' | ' | 50.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 60.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Inventory advance rate percentage to be reduced to | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 50.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Term over which inventory advance rate percentage reduces | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '36 months | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount drawn | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $22,000,000 | ' | ' | $25,000,000 | $15,500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Term over which basis spread on variable interest rate reduces | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '36 months | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |