| Component: (Network and Table) | |
|---|---|
| Network | 1084 - Disclosure - Schedule of Changes in Product Warranty Reserves (Detail) (http://www.lamresearch.com/taxonomy/role/DisclosureScheduleOfChangesInProductWarrantyReserves) |
| Table | Product Warranty Liability [Table] |
| Reporting Entity [Axis] | 0000707549 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Product Warranty Liability [Line Items] | Period [Axis] | |
|---|---|---|
2012-06-25 - 2013-06-30 | 2011-06-27 - 2012-06-24 | |
Balance at beginning of period | 70,161,000 | 40,951,000 |
Warranties issued during the period | 74,779,000 | 45,095,000 |
Warranties assumed in Novellus acquisition | 38,967,000 | |
Settlements made during the period | (92,456,000) | (58,710,000) |
Changes in liability for pre-existing warranties | 5,594,000 | 3,858,000 |
Balance at end of period | 58,078,000 | 70,161,000 |
Less: long-term portion | (5,826,000) | (6,173,000) |
Accrued warranty, current | 52,252,000 | 63,988,000 |