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Financial Instruments - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Senior unsecured notes principal amount $ 450,000   $ 450,000   $ 450,000
Senior PIK Toggle notes principal amount 196,281   196,281    
Fair value of the redeemable preferred stock 188,253   188,253   169,193
Preferred stock 103,581   103,581   121,649
Preferred stock dividend rate, percentage     7.00%   7.00%
Ownership Percentage by company 51.00%   51.00%    
Percentage of ownership Right of Non controlling to purchase by company 49.00%   49.00%    
Amount of accretion     656    
Estimated redemption value of put option 10,290   10,290    
Notional amount of foreign currency cash flow 11,161   11,161    
Fair value of contracts recorded in asset position in other current assets 93,909   93,909   87,802
Liability position recorded in accrued liabilities 93,543   93,543   80,148
Undesignated derivative forward contracts 134   134    
Unrealized gains (loss) related to forward contracts 401 1,476 (92) 3,836  
Maturity date of foreign currency derivative contracts     Apr. 30, 2014    
Foreign Exchange Forward [Member]
         
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Fair value of contracts recorded in asset position in other current assets 10   10    
Liability position recorded in accrued liabilities 112   112    
Amount reclassified from AOCI into cost of products sold (68)   (181)    
Transaction period of Forward foreign exchange contracts     2013-12    
Foreign Exchange Forward [Member] | Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
         
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Notional amount of foreign currency cash flow 10,247   10,247    
Interest Rate Swap [Member]
         
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Interest expense for interest rate swap 21 24 (209) 77  
Swap contract maturity date     Sep. 30, 2013    
Senior Notes [Member]
         
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Fair values of the Senior Notes 480,938   480,938   480,938
Senior PIK Toggle Notes [Member]
         
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Fair values of the Senior Notes 199,471   199,471    
Senior PIK Toggle notes principal amount $ 196,281   $ 196,281