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Acquisitions (Narrative) (Details) (USD $)	3 Months Ended					1 Months Ended
Acquisitions (Narrative) (Details) (USD $)	Feb. 29, 2012 Angus [Member]	Dec. 29, 2011 Angus [Member]	Dec. 02, 2011 Coleman Cylinders [Member]	Sep. 30, 2011 STAKO [Member]	Jul. 01, 2011 Bernz [Member]	Dec. 29, 2011 Maximum [Member] Angus [Member]	Dec. 29, 2011 Minimum [Member] Angus [Member]
Business Acquisition [Line Items]
Percentage of outstanding voting interests in acquired entity		100.00%		100.00%
Cash consideration for acquired entity		$ 132,940,000	$ 22,653,000	$ 41,500,000	$ 41,000,000
Assumption of debt related to acquisition		47,324,000
Repayment of debt	44,341,000
Number of restricted common shares issued to former employees		382,749
Vesting period						3 years	1 year
Approximate grant-date fair value of restricted common shares		6,300,000
Acquisition-related costs		780,000
Amount attributed to purchase price and recognized as goodwill		1,100,000
Amount recognized as stock-based compensation expense	5,200,000
Goodwill		$ 45,330,000	$ 5,888,000	$ 8,226,000	$ 3,616,000