|
Product Warranties (Details) (USD $)
|
3 Months Ended | 12 Months Ended | 3 Months Ended | |||
|---|---|---|---|---|---|---|
|
Mar. 31, 2013
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2012
Cost of Sales [Member]
|
Jun. 30, 2012
Material Customer [Member]
|
|
| Product Liability Contingency [Line Items] | ||||||
| Maximum product warranty term | 3 years | |||||
| Reimbursements from suppliers | $ 1,200,000 | |||||
| Warranty accrual | 2,965,000 | 4,455,000 | 6,871,000 | |||
| Estimated product warranty liability | 300,000 | |||||
| Reimbursement receivable | 1,200,000 | |||||
| Period of product rebates/price concessions under settlement agreement | 39 months | |||||
| Movement in Standard Product Warranty Accrual [Roll Forward] | ||||||
| Balance, beginning of period | 4,455,000 | 4,455,000 | 6,871,000 | 982,000 | ||
| Charges to operations | 1,350,000 | 2,116,000 | 8,244,000 | |||
| Deductions for costs incurred | (2,840,000) | (4,532,000) | (2,355,000) | (2,000,000) | ||
| Balance, end of period | 2,965,000 | 4,455,000 | 6,871,000 | |||
| Decrease in warrant accrual due to more favorable rates with a third-party service provider | $ 800,000 | |||||