Fair Value Measurement (Detail) - (Table) (USD $) | 3 Months Ended | 12 Months Ended | | |
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014 | Aug. 13, 2014 | Jun. 25, 2007 |
Interest Receivable | $18,000 | | $156,000 | | |
Debt Instrument, Periodic Payment | | | 893,000 | | |
Unrealized Gain (Loss) on Securities | 356,000 | | 11,000 | | |
Business Acquisition, Contingent Consideration, Actual Cash Payment | -9,469,000 | 0 | | | |
Contingent Liability | 427,000 | 0 | | | |
Assets: | | | | | |
Available-for-sale Securities, Current | 27,337,000 | 30,714,000 | 31,198,000 | | |
Notes Receivable, Related Parties, Noncurrent | 3,244,000 | 3,581,000 | 3,328,000 | | 3,000,000 |
Available-for-sale Securities, Noncurrent | 90,907,000 | 91,945,000 | 90,446,000 | | |
Notes, Loans and Financing Receivable, Net, Noncurrent | 1,727,000 | 2,461,000 | 1,878,000 | | |
Contingent payment liability | 27,605,000 | 25,156,000 | 27,178,000 | 4,616,000 | |
Liabilities: | | | | | |
Foreign Currency Contract, Asset, Fair Value Disclosure | 2,932,000 | | | | |
Available-for-sale Securities, Gross Unrealized Loss | 135,000 | | 589,000 | | |
Debt Instrument, Decrease, Forgiveness | 102,000 | | 409,000 | | |
Foreign Currency Exchange Rate, Translation | 151,000 | | 400,000 | | |
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, Low | | | 2,139,000 | | |
Fair Value [Member] | | | | | |
Assets: | | | | | |
Cash Equivalents | 2,286,000 | | 2,280,000 | | |
Current marketable securities – available for sale | | | 31,198,000 | | |
Long-term marketable securities – available for sale | | | 90,446,000 | | |
Total assets | 125,501,000 | | 129,130,000 | | |
Contingent payment liability | 39,060,000 | | 38,633,000 | | |
Liabilities: | | | | | |
Total liabilities | 41,992,000 | | 40,967,000 | | |
Fair Value [Member] | Note receivable – related party [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | 3,244,000 | | 3,328,000 | | |
Fair Value [Member] | Forward contracts [Member] | | | | | |
Liabilities: | | | | | |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 2,932,000 | | 2,334,000 | | |
Fair Value [Member] | Note receivable – Seller of SM Canada [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | | | 1,878,000 | | |
Fair Value, Inputs, Level 1 [Member] | | | | | |
Assets: | | | | | |
Cash Equivalents | 2,286,000 | | 2,280,000 | | |
Current marketable securities – available for sale | 27,337,000 | | 31,198,000 | | |
Long-term marketable securities – available for sale | 90,907,000 | | 90,446,000 | | |
Total assets | 120,530,000 | | 123,924,000 | | |
Contingent payment liability | 0 | | 0 | | |
Liabilities: | | | | | |
Total liabilities | 0 | | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Note receivable – related party [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | 0 | | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Forward contracts [Member] | | | | | |
Liabilities: | | | | | |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0 | | 0 | | |
Fair Value, Inputs, Level 1 [Member] | Note receivable – Seller of SM Canada [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | 0 | | 0 | | |
Fair Value, Inputs, Level 2 [Member] | | | | | |
Assets: | | | | | |
Cash Equivalents | 0 | | 0 | | |
Current marketable securities – available for sale | 0 | | 0 | | |
Long-term marketable securities – available for sale | 0 | | 0 | | |
Total assets | 0 | | 0 | | |
Contingent payment liability | 0 | | 0 | | |
Liabilities: | | | | | |
Total liabilities | 2,932,000 | | 2,334,000 | | |
Fair Value, Inputs, Level 2 [Member] | Note receivable – related party [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | 0 | | 0 | | |
Fair Value, Inputs, Level 2 [Member] | Forward contracts [Member] | | | | | |
Liabilities: | | | | | |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 2,932,000 | | 2,334,000 | | |
Fair Value, Inputs, Level 2 [Member] | Note receivable – Seller of SM Canada [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | 0 | | 0 | | |
Fair Value, Inputs, Level 3 [Member] | | | | | |
Assets: | | | | | |
Cash Equivalents | 0 | | 0 | | |
Current marketable securities – available for sale | 0 | | 0 | | |
Long-term marketable securities – available for sale | 0 | | 0 | | |
Total assets | 4,971,000 | | 5,206,000 | | |
Contingent payment liability | 39,060,000 | | 38,633,000 | | |
Liabilities: | | | | | |
Total liabilities | 39,060,000 | | 38,633,000 | | |
Fair Value, Inputs, Level 3 [Member] | Note receivable – related party [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | 3,244,000 | | 3,328,000 | | |
Fair Value, Inputs, Level 3 [Member] | Forward contracts [Member] | | | | | |
Liabilities: | | | | | |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0 | | 0 | | |
Fair Value, Inputs, Level 3 [Member] | Note receivable – Seller of SM Canada [Member] | | | | | |
Assets: | | | | | |
Notes Receivable, Fair Value Disclosure | 1,727,000 | | 1,878,000 | | |
Available-for-sale Securities, Current [Member] | | | | | |
Unrealized Gain (Loss) on Securities | 4,000 | | 1,000 | | |
Liabilities: | | | | | |
Available-for-sale Securities, Gross Unrealized Loss | 74,000 | | 145,000 | | |
Sm canada [Member] | | | | | |
Liabilities: | | | | | |
business combinations contingent liability payment | | | 3,315,000 | | |
Cejon Acquisition [Member] | | | | | |
Liabilities: | | | | | |
business combinations contingent liability payment | | | 5,160,000 | | |
Dolce Vita [Member] | | | | | |
Assets: | | | | | |
Contingent payment liability | 5,000,000 | | | | |
Liabilities: | | | | | |
business combinations contingent liability payment | | | 4,616,000 | | |
SM Mexico [Member] | | | | | |
Assets: | | | | | |
Contingent payment liability | 10,000 | | | | |
Liabilities: | | | | | |
business combinations contingent liability payment | | | $9,836,000 | | |