Financing Arrangements - Additional Information (Detail) (USD $)	3 Months Ended		3 Months Ended		12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 Houno A/S	Mar. 31, 2012 Giga Grandi Cucine Srl	Dec. 31, 2011 Armor Inox
Debt Disclosure [Line Items]
Credit facility, amount	$ 600,000,000		$ 4,500,000	$ 4,400,000	$ 500,000
Credit facility, outstanding	307,200,000	309,400,000
Letter of credit, outstanding	9,900,000
Credit facility, remaining	273,500,000
Credit facility, interest rate assessment	1.00% above LIBOR for long-term borrowings or at the higher of the Prime rate and the Federal Funds Rate.		1.25% above Euro LIBOR
Credit facility, additional interest rate above LIBOR	1.00%
Credit facility, average interest rate	1.44%			4.18%	2.48%
Variable commitment fee	0.20%
Credit facility, outstanding			2,800,000
Term loan, amount	$ 316,623,000	$ 317,335,000	$ 1,700,000
Credit facility, additional interest rate above Euro LIBOR			1.25%
Credit facility, interest rate			3.10%
Term loan, maturity			2013
Term loan, interest rate			4.55%
Facilities maturity date	2012-12-28			2015-04
Credit facility, maturity					2015-04
Percentage the company believes the current interest rate margin is below current market rates	0.50%
Indebtedness to EBITDA ratio	3.5
EBITDA to fixed charges ratio	1.25
Percentage of capital stock of the company's foreign subsidiaries used to secure credit facility	65.00%