Discontinued Operations - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Aug. 28, 2015 |
Jan. 30, 2016 |
Jan. 24, 2015 |
Jan. 30, 2016 |
Jan. 24, 2015 |
Jul. 01, 2015 |
|
| Discontinued Operations and Disposal Groups [Abstract] | ||||||
| Consideration receivable as per definitive agreement | $ 716,886 | $ 716,886 | $ 715,000 | |||
| Proceeds from the sale including working capital adjustment | $ 718,078 | |||||
| Percentage of common units obtained | 10.00% | |||||
| Ratio of acquirer cash inflows to cash outflows at which common units obtained begin participating in distributions | 2.5 | |||||
| Pre-tax gain on sale | $ (1,192) | $ 0 | $ 24,328 | $ 0 | ||
| Transition services agreement, period of involvement | 24 months | |||||
| Professional fees incurred with sale of Patterson Medical | $ 13,692 | |||||