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Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments And Contingencies [Abstract]

		September 30,
	2011
Balance of deferred amounts at January 1	$	35,730
Warranty costs incurred including payments		(2,131	)
Accruals relating to pre-existing contracts (including changes in estimates)		3,514

Balance of deferred amounts at December 31	$	37,113

Operating Leases Expense Net Of Sublease Income

		September 30,
	Rent Expense
Year ended December 31, 2011	$	16,234
Year ended December 31, 2010	$	18,911
Year ended December 31, 2009	$	16,337

Schedule Of Future Minimum Payments

		September 30,			September 30,
	Capital Leases			Operating Leases
2012	$	1,201		$	10,155
2013		1,201			7,783
2014		—			6,876
2015		—			5,747
2016		—			3,670
Thereafter		—			4,894

Total minimum lease payments		2,402		$	39,125

Less amount representing interest		(159	)

Present value of future minimum lease payments	$	2,243

- Definition

Tabular disclosure of a lessee's leasing arrangements including: (1) the basis on which contingent rental payments are determined, (2) the existence and terms of renewal or purchase options and escalation clauses, (3) restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included.

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