Basis of Presentation - Additional Information (Detail) - Schurman [Member] |
3 Months Ended |
|---|---|
|
May 27, 2016
USD ($)
| |
| Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] | |
| End period of liquidity guaranty | 2019-01 |
| Guarantee of Indebtedness of Others [Member] | |
| Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] | |
| Number of days after Schurman's lenders commence liquidation of collateral under Senior Credit Facility | 91 days |
| Maximum exposure to loss, amount | $ 10,000,000 |
| Collectibility of Receivables [Member] | |
| Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] | |
| Maximum exposure to loss, amount | 28,600,000 |
| Operating Leases Subleased to Schurman [Member] | |
| Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] | |
| Maximum exposure to loss, amount | $ 2,100,000 |