Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000850693 (http://www.sec.gov/CIK)

Product Warranties Disclosures [Abstract]	Period [Axis]
	2013-01-01 - 2013-12-31	2012-01-01 - 2012-12-31
Product Warranties Disclosures [Abstract]
Reconciliation of the change in estimated product warranty liabilities [Roll Forward]
Balance, beginning of year	34,400,000	32,600,000
Provision for warranties issued during the year	8,000,000	9,900,000
Settlements made during the year	(8,100,000)	(8,100,000)
Increases in warranty estimates	(700,000)	0
Balance, end of year	33,600,000	34,400,000
Product Warranty Accrual, Balance Sheet Classification [Abstract]
Current portion	7,600,000	6,700,000
Non-current portion	26,000,000	27,700,000
Total	33,600,000	34,400,000